diff --git a/changes.txt b/changes.txt
index 3f1bc9c8..2e77c2ec 100644
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,7 @@
+Changes from 5.12 to 5.13
+=========================
+
+
 Changes from 5.11 to 5.12
 =========================
 - enable more runtime hardening flags from OpenSSF recommendation 11/2023
diff --git a/docs/manual/manual.sgml b/docs/manual/manual.sgml
index cebad52e..e461fc04 100644
--- a/docs/manual/manual.sgml
+++ b/docs/manual/manual.sgml
@@ -24,7 +24,7 @@
 <htmlurl url="https://www.willamowius.com/" name="Jan Willamowius">
 <tt><htmlurl url="mailto:jan@willamowius.de" name="&lt;jan@willamowius.de&gt;"></tt>
 
-<date>Version 5.12</date>
+<date>Version 5.13</date>
 
 <abstract>
 This manual explains how to compile, install, configure and monitor the
diff --git a/gnugk.rc b/gnugk.rc
index 9fbf1d09..2df5a04d 100644
--- a/gnugk.rc
+++ b/gnugk.rc
@@ -19,8 +19,8 @@ LANGUAGE 0, SUBLANG_NEUTRAL
 //
 LANGUAGE 0, SUBLANG_NEUTRAL
 1 VERSIONINFO
-    FILEVERSION     5,12,0,0
-    PRODUCTVERSION  5,12,0,0
+    FILEVERSION     5,13,0,0
+    PRODUCTVERSION  5,13,0,0
     FILEOS          VOS_UNKNOWN
     FILETYPE        VFT_UNKNOWN
     FILESUBTYPE     VFT2_UNKNOWN
@@ -33,13 +33,13 @@ LANGUAGE 0, SUBLANG_NEUTRAL
         {
             VALUE "CompanyName", "GNU Gatekeeper Project"
             VALUE "FileDescription", "GNU Gatekeeper"
-            VALUE "FileVersion", "5.12"
+            VALUE "FileVersion", "5.13"
             VALUE "InternalName", "GnuGk"
-            VALUE "LegalCopyright", "(c) 2023, GNU General Public License v2"
+            VALUE "LegalCopyright", "(c) 2024, GNU General Public License v2"
             VALUE "LegalTrademarks", " "
             VALUE "OriginalFilename", "gnugk.exe"
             VALUE "ProductName", "GnuGk"
-            VALUE "ProductVersion", "5.12"
+            VALUE "ProductVersion", "5.13"
         }
     }
     BLOCK "VarFileInfo"
diff --git a/version.h b/version.h
index e4e264e1..11d91178 100644
--- a/version.h
+++ b/version.h
@@ -22,7 +22,7 @@
 
 /* Minor version number of the gatekeeper */
 #ifndef GNUGK_MINOR_VERSION
-# define GNUGK_MINOR_VERSION 12
+# define GNUGK_MINOR_VERSION 13
 #endif
 
 /* Release status for the gatekeeper */