diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5671a86..bb8bb89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+# Changes in version 2.1?.? - 2020-0?-??
+
+
 # Changes in version 2.10.0 - 2020-01-15
 
  * Medium changes
diff --git a/build.xml b/build.xml
index bf615f7..fcf737b 100644
--- a/build.xml
+++ b/build.xml
@@ -7,7 +7,7 @@
 <project default="usage" name="metrics-lib" basedir="."
          xmlns:ivy="antlib:org.apache.ivy.ant">
 
-  <property name="release.version" value="2.10.0" />
+  <property name="release.version" value="2.10.0-dev" />
   <property name="javadoc-title" value="Tor Metrics Library API Documentation"/>
   <property name="javadoc-excludes" value="**/impl/** **/index/** **/internal/** **/log/**" />
   <property name="implementation-title" value="Tor Metrics Library" />