Bump next release to 6.13.0.
diff --git a/pom.xml b/pom.xml
index a402106..3c97d8b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,7 +30,7 @@
   <groupId>org.apache.bcel</groupId>
   <artifactId>bcel</artifactId>
   <packaging>jar</packaging>
-  <version>6.12.1-SNAPSHOT</version>
+  <version>6.13.0-SNAPSHOT</version>
   <name>Apache Commons BCEL</name>
   <description>The Commons Byte Code Engineering Library (BCEL) is designed to provide users with a convenient way to analyze, create, and manipulate compiled .class files.</description>
   <url>https://commons.apache.org/proper/commons-bcel</url>
@@ -44,8 +44,8 @@
     <maven.compiler.target>1.8</maven.compiler.target>
     <commons.componentid>bcel</commons.componentid>
     <commons.module.name>org.apache.bcel</commons.module.name>
-    <commons.release.version>6.12.1</commons.release.version>
-    <commons.release.next>6.12.2</commons.release.next>
+    <commons.release.version>6.13.0</commons.release.version>
+    <commons.release.next>6.13.1</commons.release.next>
     <commons.release.isDistModule>true</commons.release.isDistModule>
     <commons.rc.version>RC1</commons.rc.version>
     <commons.bc.version>6.12.0</commons.bc.version>
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index e6c15c9..b019075 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -59,7 +59,7 @@
   Defining changes.version allows one to create the RN without first removing the SNAPSHOT suffix.
    -->
   <body>
-    <release version="6.12.1" date="YYYY-MM-DD" description="This is a feature and maintenance release. Java 8 or later is required.">
+    <release version="6.13.0" date="YYYY-MM-DD" description="This is a feature and maintenance release. Java 8 or later is required.">
       <!-- FIX -->
       <action                  type="update" dev="ggregory" due-to="nbauma109">Fix constant pool module access test on Java 26 and above #492.</action>
       <action                  type="update" dev="ggregory" due-to="nbauma109, Gary Gregory">Add support for permitted subclasses #493.</action>