Bump to next development version
diff --git a/RELEASE-NOTES.txt b/RELEASE-NOTES.txt
index d9ce1e7..093dece 100644
--- a/RELEASE-NOTES.txt
+++ b/RELEASE-NOTES.txt
@@ -8,7 +8,7 @@
 Release 1.12
 ------------
 
-Commons Compress 1.12 is the first version to require Java6 at
+Commons Compress 1.12 is the first version to require Java 6 at
 runtime.
 
 Release 1.12 changes the behavior of BZip2CompressorOutputStream's
diff --git a/pom.xml b/pom.xml
index 9ef1e34..1b663d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
 
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-compress</artifactId>
-  <version>1.12</version>
+  <version>1.13-SNAPSHOT</version>
   <name>Apache Commons Compress</name>
   <url>http://commons.apache.org/proper/commons-compress/</url>
   <!-- The description is not indented to make it look better in the release notes -->
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 5d627cb..db34746 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -42,8 +42,10 @@
     <title>commons-compress</title>
   </properties>
   <body>
-    <release version="1.12" date="not released, yet"
-             description="Release 1.12 - API compatible to 1.11 but requires Java6 at runtime.
+    <release version="1.13" date="not released, yet">
+    </release>
+    <release version="1.12" date="2016-06-21"
+             description="Release 1.12 - API compatible to 1.11 but requires Java 6 at runtime.
 ------------