diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1aff8f140..158a03103 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## Next version (Unreleased)
+
+FEATURES:
+
+IMPROVEMENTS:
+
+BUG FIXES:
+
 ## 2.2.9 (May 07, 2020)
 
 BUG FIXES:
diff --git a/version.txt b/version.txt
index a6333e400..0c8255467 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.2.9
+2.2.10.dev