diff --git a/archetypes/dcache-nearline-plugin-archetype/pom.xml b/archetypes/dcache-nearline-plugin-archetype/pom.xml
index fbec5185b4a..a6dfcecbc2b 100644
--- a/archetypes/dcache-nearline-plugin-archetype/pom.xml
+++ b/archetypes/dcache-nearline-plugin-archetype/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>archetypes</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-nearline-plugin-archetype</artifactId>
diff --git a/archetypes/pom.xml b/archetypes/pom.xml
index 23c03ed2fe9..3a700faf6bc 100644
--- a/archetypes/pom.xml
+++ b/archetypes/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
     </parent>
 
     <artifactId>archetypes</artifactId>
diff --git a/docs/TheBook/pom.xml b/docs/TheBook/pom.xml
index eb4c85448ee..04f8c16b3a7 100644
--- a/docs/TheBook/pom.xml
+++ b/docs/TheBook/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>documentation</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>TheBook</artifactId>
diff --git a/docs/UserGuide/pom.xml b/docs/UserGuide/pom.xml
index d73d2ac3676..42a628242aa 100644
--- a/docs/UserGuide/pom.xml
+++ b/docs/UserGuide/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>documentation</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>UserGuide</artifactId>
diff --git a/docs/pom.xml b/docs/pom.xml
index 2971b6d934d..6c407224cdd 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>documentation</artifactId>
diff --git a/modules/acl-vehicles/pom.xml b/modules/acl-vehicles/pom.xml
index de3f9340c53..ff0856ab7c7 100644
--- a/modules/acl-vehicles/pom.xml
+++ b/modules/acl-vehicles/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/acl/pom.xml b/modules/acl/pom.xml
index 43d989b6071..d2d31e96d2a 100644
--- a/modules/acl/pom.xml
+++ b/modules/acl/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/benchmarks/pom.xml b/modules/benchmarks/pom.xml
index 16ce7844d69..50b90d4484f 100644
--- a/modules/benchmarks/pom.xml
+++ b/modules/benchmarks/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/cells/pom.xml b/modules/cells/pom.xml
index 56676e5ee79..a076ab2b6c8 100644
--- a/modules/cells/pom.xml
+++ b/modules/cells/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/chimera/pom.xml b/modules/chimera/pom.xml
index 75abb803d4e..00804b6cc6c 100644
--- a/modules/chimera/pom.xml
+++ b/modules/chimera/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/common-cli/pom.xml b/modules/common-cli/pom.xml
index 48689dab359..80341bb149f 100644
--- a/modules/common-cli/pom.xml
+++ b/modules/common-cli/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/common-security/pom.xml b/modules/common-security/pom.xml
index 276835a8a6b..fc3d8725c1b 100644
--- a/modules/common-security/pom.xml
+++ b/modules/common-security/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/common/pom.xml b/modules/common/pom.xml
index 7ed0e3afd1c..bfb208bd10c 100644
--- a/modules/common/pom.xml
+++ b/modules/common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-bulk/pom.xml b/modules/dcache-bulk/pom.xml
index 3a411d5899c..f41e881456c 100644
--- a/modules/dcache-bulk/pom.xml
+++ b/modules/dcache-bulk/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-chimera/pom.xml b/modules/dcache-chimera/pom.xml
index 015d6f6bec2..a433ed61dcf 100644
--- a/modules/dcache-chimera/pom.xml
+++ b/modules/dcache-chimera/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-dcap/pom.xml b/modules/dcache-dcap/pom.xml
index 9b09cbf0616..a32749c6ae7 100644
--- a/modules/dcache-dcap/pom.xml
+++ b/modules/dcache-dcap/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-frontend/pom.xml b/modules/dcache-frontend/pom.xml
index f747c45f119..a5fe80c0880 100644
--- a/modules/dcache-frontend/pom.xml
+++ b/modules/dcache-frontend/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/dcache-ftp/pom.xml b/modules/dcache-ftp/pom.xml
index 806d11d5bd6..bb11e903b71 100644
--- a/modules/dcache-ftp/pom.xml
+++ b/modules/dcache-ftp/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-gplazma/pom.xml b/modules/dcache-gplazma/pom.xml
index 2abdc6353d6..e61aa0dc4ad 100644
--- a/modules/dcache-gplazma/pom.xml
+++ b/modules/dcache-gplazma/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-history/pom.xml b/modules/dcache-history/pom.xml
index db8eaf5351a..7632f16b9cf 100644
--- a/modules/dcache-history/pom.xml
+++ b/modules/dcache-history/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-info/pom.xml b/modules/dcache-info/pom.xml
index 5feaafe92ff..18c41c6b7c3 100644
--- a/modules/dcache-info/pom.xml
+++ b/modules/dcache-info/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-nearline-spi/pom.xml b/modules/dcache-nearline-spi/pom.xml
index 2b84f90f34b..bcf96601412 100644
--- a/modules/dcache-nearline-spi/pom.xml
+++ b/modules/dcache-nearline-spi/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-nfs/pom.xml b/modules/dcache-nfs/pom.xml
index a8dab4bc014..58545e73fbe 100644
--- a/modules/dcache-nfs/pom.xml
+++ b/modules/dcache-nfs/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-qos/pom.xml b/modules/dcache-qos/pom.xml
index 32dbfb24962..9f7e4207a31 100644
--- a/modules/dcache-qos/pom.xml
+++ b/modules/dcache-qos/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-resilience/pom.xml b/modules/dcache-resilience/pom.xml
index ed4a231677f..be65a457152 100644
--- a/modules/dcache-resilience/pom.xml
+++ b/modules/dcache-resilience/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-spacemanager/pom.xml b/modules/dcache-spacemanager/pom.xml
index 0868cc5eb1a..5d2c939828a 100644
--- a/modules/dcache-spacemanager/pom.xml
+++ b/modules/dcache-spacemanager/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-srm/pom.xml b/modules/dcache-srm/pom.xml
index b9adce648d0..66da56db7ee 100644
--- a/modules/dcache-srm/pom.xml
+++ b/modules/dcache-srm/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-vehicles/pom.xml b/modules/dcache-vehicles/pom.xml
index 97b6d7f0116..15bb3a5dab3 100644
--- a/modules/dcache-vehicles/pom.xml
+++ b/modules/dcache-vehicles/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-webdav/pom.xml b/modules/dcache-webdav/pom.xml
index 7fcc76b31a9..9449da381c8 100644
--- a/modules/dcache-webdav/pom.xml
+++ b/modules/dcache-webdav/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache-xrootd/pom.xml b/modules/dcache-xrootd/pom.xml
index 6c42af3b9d5..79e382c4597 100644
--- a/modules/dcache-xrootd/pom.xml
+++ b/modules/dcache-xrootd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/dcache/pom.xml b/modules/dcache/pom.xml
index a4c958de802..5b1d0ea1313 100644
--- a/modules/dcache/pom.xml
+++ b/modules/dcache/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/ftp-client/pom.xml b/modules/ftp-client/pom.xml
index 841948f7728..a4e804d690e 100644
--- a/modules/ftp-client/pom.xml
+++ b/modules/ftp-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-alise/pom.xml b/modules/gplazma2-alise/pom.xml
index 9be221fd473..a3cf38d4a28 100644
--- a/modules/gplazma2-alise/pom.xml
+++ b/modules/gplazma2-alise/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-argus/pom.xml b/modules/gplazma2-argus/pom.xml
index b247cae7cf7..1a001cc452b 100644
--- a/modules/gplazma2-argus/pom.xml
+++ b/modules/gplazma2-argus/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-banfile/pom.xml b/modules/gplazma2-banfile/pom.xml
index bcee02c62bf..b07531edf41 100644
--- a/modules/gplazma2-banfile/pom.xml
+++ b/modules/gplazma2-banfile/pom.xml
@@ -4,7 +4,7 @@
   <parent>
       <groupId>org.dcache</groupId>
       <artifactId>dcache-parent</artifactId>
-      <version>9.2.27</version>
+      <version>9.2.28-SNAPSHOT</version>
       <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-fermi/pom.xml b/modules/gplazma2-fermi/pom.xml
index 3d235498481..7cd77f7f6ad 100644
--- a/modules/gplazma2-fermi/pom.xml
+++ b/modules/gplazma2-fermi/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <artifactId>dcache-parent</artifactId>
     <groupId>org.dcache</groupId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
@@ -18,7 +18,7 @@
         <dependency>
             <groupId>org.dcache</groupId>
             <artifactId>gplazma2</artifactId>
-            <version>9.2.27</version>
+            <version>9.2.28-SNAPSHOT</version>
         </dependency>
       <dependency>
         <groupId>com.google.code.gson</groupId>
diff --git a/modules/gplazma2-grid/pom.xml b/modules/gplazma2-grid/pom.xml
index d271a785116..08e5a0f0d57 100644
--- a/modules/gplazma2-grid/pom.xml
+++ b/modules/gplazma2-grid/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-htpasswd/pom.xml b/modules/gplazma2-htpasswd/pom.xml
index 73d2e5126ad..30e2ba270b0 100644
--- a/modules/gplazma2-htpasswd/pom.xml
+++ b/modules/gplazma2-htpasswd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-jaas/pom.xml b/modules/gplazma2-jaas/pom.xml
index 790e0922845..942a5b7fe81 100644
--- a/modules/gplazma2-jaas/pom.xml
+++ b/modules/gplazma2-jaas/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-kpwd/pom.xml b/modules/gplazma2-kpwd/pom.xml
index 5ce27db010b..fa57867ce79 100644
--- a/modules/gplazma2-kpwd/pom.xml
+++ b/modules/gplazma2-kpwd/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-krb5/pom.xml b/modules/gplazma2-krb5/pom.xml
index 4c0dbbb0cd7..f1a463c5b3e 100644
--- a/modules/gplazma2-krb5/pom.xml
+++ b/modules/gplazma2-krb5/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-ldap/pom.xml b/modules/gplazma2-ldap/pom.xml
index f6f216f3e39..bfabd58608a 100644
--- a/modules/gplazma2-ldap/pom.xml
+++ b/modules/gplazma2-ldap/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-multimap/pom.xml b/modules/gplazma2-multimap/pom.xml
index 1108eb01b7a..0957abfbaf3 100644
--- a/modules/gplazma2-multimap/pom.xml
+++ b/modules/gplazma2-multimap/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-nis/pom.xml b/modules/gplazma2-nis/pom.xml
index 5538db8fcb5..29ab0bbe00d 100644
--- a/modules/gplazma2-nis/pom.xml
+++ b/modules/gplazma2-nis/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-nsswitch/pom.xml b/modules/gplazma2-nsswitch/pom.xml
index bed374a46e9..3c17124ca7a 100644
--- a/modules/gplazma2-nsswitch/pom.xml
+++ b/modules/gplazma2-nsswitch/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2-oidc/pom.xml b/modules/gplazma2-oidc/pom.xml
index 8414d354fc9..e17fc7a1fa1 100644
--- a/modules/gplazma2-oidc/pom.xml
+++ b/modules/gplazma2-oidc/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-omnisession/pom.xml b/modules/gplazma2-omnisession/pom.xml
index 0c925377396..eb22d9c151a 100644
--- a/modules/gplazma2-omnisession/pom.xml
+++ b/modules/gplazma2-omnisession/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-roles/pom.xml b/modules/gplazma2-roles/pom.xml
index fa12612c3ae..164bf77235b 100644
--- a/modules/gplazma2-roles/pom.xml
+++ b/modules/gplazma2-roles/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-scitoken/pom.xml b/modules/gplazma2-scitoken/pom.xml
index e37da2d5513..5eaa9f13b61 100644
--- a/modules/gplazma2-scitoken/pom.xml
+++ b/modules/gplazma2-scitoken/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/gplazma2-voms/pom.xml b/modules/gplazma2-voms/pom.xml
index 1d19b1fcdb4..93dc0bcf00e 100644
--- a/modules/gplazma2-voms/pom.xml
+++ b/modules/gplazma2-voms/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/gplazma2/pom.xml b/modules/gplazma2/pom.xml
index e8bc0c002b5..b279f9ba74e 100644
--- a/modules/gplazma2/pom.xml
+++ b/modules/gplazma2/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/logback-console-config/pom.xml b/modules/logback-console-config/pom.xml
index 28a72c93254..4594ca47e99 100644
--- a/modules/logback-console-config/pom.xml
+++ b/modules/logback-console-config/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/logback-test-config/pom.xml b/modules/logback-test-config/pom.xml
index 9f91d9fa933..e40c1b43438 100644
--- a/modules/logback-test-config/pom.xml
+++ b/modules/logback-test-config/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>org.dcache</groupId>
   <artifactId>logback-test-config</artifactId>
-  <version>9.2.27</version>
+  <version>9.2.28-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>Logback config for building and testing</name>
diff --git a/modules/missingfiles-semsg/pom.xml b/modules/missingfiles-semsg/pom.xml
index c94a05f9a44..2b3213e3698 100644
--- a/modules/missingfiles-semsg/pom.xml
+++ b/modules/missingfiles-semsg/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/srm-client/pom.xml b/modules/srm-client/pom.xml
index 61012a62fed..a55a0360bb9 100644
--- a/modules/srm-client/pom.xml
+++ b/modules/srm-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>dcache-parent</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
         <relativePath>../../pom.xml</relativePath>
     </parent>
 
diff --git a/modules/srm-common/pom.xml b/modules/srm-common/pom.xml
index 9a6af52a854..7eccf592238 100644
--- a/modules/srm-common/pom.xml
+++ b/modules/srm-common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/modules/srm-server/pom.xml b/modules/srm-server/pom.xml
index ec9cc395225..8aeccb1af3e 100644
--- a/modules/srm-server/pom.xml
+++ b/modules/srm-server/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <relativePath>../../pom.xml</relativePath>
   </parent>
 
diff --git a/packages/fhs/pom.xml b/packages/fhs/pom.xml
index f6ec4745225..dc6406e5465 100644
--- a/packages/fhs/pom.xml
+++ b/packages/fhs/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>packaging</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-fhs</artifactId>
diff --git a/packages/pom.xml b/packages/pom.xml
index 4e2212f14c7..da4817b2e87 100644
--- a/packages/pom.xml
+++ b/packages/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>packaging</artifactId>
diff --git a/packages/system-test/pom.xml b/packages/system-test/pom.xml
index 1beb8807800..2e3c6475e88 100644
--- a/packages/system-test/pom.xml
+++ b/packages/system-test/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>packaging</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>system-test</artifactId>
diff --git a/packages/tar/pom.xml b/packages/tar/pom.xml
index c6c9103ee5e..92abf08ed5c 100644
--- a/packages/tar/pom.xml
+++ b/packages/tar/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.dcache</groupId>
         <artifactId>packaging</artifactId>
-        <version>9.2.27</version>
+        <version>9.2.28-SNAPSHOT</version>
     </parent>
 
     <artifactId>dcache-tar</artifactId>
diff --git a/plugins/hsqldb/pom.xml b/plugins/hsqldb/pom.xml
index 2166cf19287..78494bcde93 100644
--- a/plugins/hsqldb/pom.xml
+++ b/plugins/hsqldb/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>plugins</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>dcache-plugin-hsqldb</artifactId>
diff --git a/plugins/pom.xml b/plugins/pom.xml
index 1e673483d75..aa62cd3ca97 100644
--- a/plugins/pom.xml
+++ b/plugins/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.dcache</groupId>
     <artifactId>dcache-parent</artifactId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
   </parent>
 
   <artifactId>plugins</artifactId>
diff --git a/pom.xml b/pom.xml
index d19b58029c5..d37cfb9b13e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.dcache</groupId>
-    <version>9.2.27</version>
+    <version>9.2.28-SNAPSHOT</version>
     <artifactId>dcache-parent</artifactId>
     <packaging>pom</packaging>
 
@@ -126,7 +126,7 @@
         <url>https://github.com/dCache/dcache</url>
         <connection>scm:git:https://github.com/dCache/dcache.git</connection>
         <developerConnection>scm:git:ssh://git@github.com/dCache/dcache.git</developerConnection>
-      <tag>9.2.27</tag>
+      <tag>9.2</tag>
   </scm>
 
     <repositories>