diff --git a/dc-commons-feign/pom.xml b/dc-commons-feign/pom.xml
index a2783875..7144b398 100644
--- a/dc-commons-feign/pom.xml
+++ b/dc-commons-feign/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons REST Feign</name>
diff --git a/dc-commons-file/pom.xml b/dc-commons-file/pom.xml
index 526c40f0..6ec4b581 100644
--- a/dc-commons-file/pom.xml
+++ b/dc-commons-file/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons File</name>
diff --git a/dc-commons-jdbi/pom.xml b/dc-commons-jdbi/pom.xml
index 5dba8530..f677e02a 100644
--- a/dc-commons-jdbi/pom.xml
+++ b/dc-commons-jdbi/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons JDBI</name>
diff --git a/dc-commons-prosemirror/dc-commons-prosemirror-model-jackson/pom.xml b/dc-commons-prosemirror/dc-commons-prosemirror-model-jackson/pom.xml
index bbd3269d..fdf77336 100644
--- a/dc-commons-prosemirror/dc-commons-prosemirror-model-jackson/pom.xml
+++ b/dc-commons-prosemirror/dc-commons-prosemirror-model-jackson/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons-prosemirror</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
 
   <name>DigitalCollections: Commons ProseMirror Model Jackson</name>
diff --git a/dc-commons-prosemirror/dc-commons-prosemirror-model/pom.xml b/dc-commons-prosemirror/dc-commons-prosemirror-model/pom.xml
index d5e1be7f..7941b740 100644
--- a/dc-commons-prosemirror/dc-commons-prosemirror-model/pom.xml
+++ b/dc-commons-prosemirror/dc-commons-prosemirror-model/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons-prosemirror</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons ProseMirror Model</name>
diff --git a/dc-commons-prosemirror/pom.xml b/dc-commons-prosemirror/pom.xml
index a17c7cdf..e9cea1e1 100644
--- a/dc-commons-prosemirror/pom.xml
+++ b/dc-commons-prosemirror/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons ProseMirror (Parent)</name>
diff --git a/dc-commons-server/pom.xml b/dc-commons-server/pom.xml
index 52cdfb3d..a37b3856 100644
--- a/dc-commons-server/pom.xml
+++ b/dc-commons-server/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons Server</name>
diff --git a/dc-commons-springaop/pom.xml b/dc-commons-springaop/pom.xml
index 4f506b7b..9baf5360 100644
--- a/dc-commons-springaop/pom.xml
+++ b/dc-commons-springaop/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons Spring AOP</name>
diff --git a/dc-commons-springboot/pom.xml b/dc-commons-springboot/pom.xml
index 15b72750..f081951e 100644
--- a/dc-commons-springboot/pom.xml
+++ b/dc-commons-springboot/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
 
   <name>DigitalCollections: Commons Spring Boot (Spring Boot 2)</name>
diff --git a/dc-commons-springdata/pom.xml b/dc-commons-springdata/pom.xml
index e2e92d15..157010d6 100644
--- a/dc-commons-springdata/pom.xml
+++ b/dc-commons-springdata/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons Spring Data</name>
diff --git a/dc-commons-springmvc/pom.xml b/dc-commons-springmvc/pom.xml
index 4d6de1f2..6bb8e8a5 100644
--- a/dc-commons-springmvc/pom.xml
+++ b/dc-commons-springmvc/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons Spring MVC</name>
diff --git a/dc-commons-springsecurity/pom.xml b/dc-commons-springsecurity/pom.xml
index 2c745dae..57ea3930 100644
--- a/dc-commons-springsecurity/pom.xml
+++ b/dc-commons-springsecurity/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
 
   <name>DigitalCollections: Commons Spring Security (Spring Security 5)</name>
diff --git a/dc-commons-validation/pom.xml b/dc-commons-validation/pom.xml
index e600313d..d82bf000 100644
--- a/dc-commons-validation/pom.xml
+++ b/dc-commons-validation/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
 
   <name>DigitalCollections: Commons Validation</name>
diff --git a/dc-commons-xml/pom.xml b/dc-commons-xml/pom.xml
index 68a18140..3000202d 100644
--- a/dc-commons-xml/pom.xml
+++ b/dc-commons-xml/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
 
   <name>DigitalCollections: Commons XML</name>
diff --git a/dc-commons-yaml/pom.xml b/dc-commons-yaml/pom.xml
index 00d58adc..3f48c3c9 100644
--- a/dc-commons-yaml/pom.xml
+++ b/dc-commons-yaml/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>de.digitalcollections.commons</groupId>
     <artifactId>dc-commons</artifactId>
-    <version>2.1.0-SNAPSHOT</version>
+    <version>2.1.0</version>
   </parent>
   
   <name>DigitalCollections: Commons YAML</name>
diff --git a/pom.xml b/pom.xml
index b7242436..826a5599 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>de.digitalcollections.commons</groupId>
   <artifactId>dc-commons</artifactId>
-  <version>2.1.0-SNAPSHOT</version>
+  <version>2.1.0</version>
   <packaging>pom</packaging>
 
   <modules>
@@ -39,7 +39,7 @@
     <version.assertj>3.5.2</version.assertj>
     <version.commons-beanutils>1.9.3</version.commons-beanutils>
     <version.commons-lang3>3.4</version.commons-lang3>
-    <version.dc-model>2.0.0-SNAPSHOT</version.dc-model>
+    <version.dc-model>2.0.0</version.dc-model>
     <version.geoip>2.8.0</version.geoip>
     <version.hamcrest-core>1.3</version.hamcrest-core>
     <version.jackson>2.9.7</version.jackson>
@@ -58,9 +58,9 @@
     <version.saxon>9.8.0-6</version.saxon>
     <version.servlet-api>3.1.0</version.servlet-api>
     <version.slf4j>1.7.22</version.slf4j>
-    <version.snakeyaml>1.19</version.snakeyaml>
-    <version.springframework>5.0.9.RELEASE</version.springframework>
-    <version.spring-boot>2.0.6.RELEASE</version.spring-boot>
+    <version.snakeyaml>1.23</version.snakeyaml>
+    <version.springframework>5.1.1.RELEASE</version.springframework>
+    <version.spring-boot>2.1.0.RELEASE</version.spring-boot>
     <version.spring-boot-starter-jsondoc>1.2.19</version.spring-boot-starter-jsondoc>
     <version.spring-data-commons>1.13.16.RELEASE</version.spring-data-commons>
     <version.spring-security>5.1.1.RELEASE</version.spring-security>
@@ -320,8 +320,7 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>${version.maven-compiler-plugin}</version>
         <configuration>
-          <source>${maven.compiler.source}</source>
-          <target>${maven.compiler.target}</target>
+          <showDeprecation>true</showDeprecation>
           <compilerArgument>-Xlint:unchecked</compilerArgument>
         </configuration>
       </plugin>