diff --git a/CHANGELOG.md b/CHANGELOG.md
index 241a8842d..3e980f62d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## Next version (Unreleased)
+
+FEATURES:
+
+IMPROVEMENTS:
+
+BUG FIXES:
+
 ## 2.2.5 (July 19, 2019)
 
 FEATURES:
diff --git a/version.txt b/version.txt
index 21bb5e156..7d8c19113 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.2.5
+2.2.6.dev