diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9070a8a72..a6408bcf1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+## Next version (Unreleased)
+
+FEATURES:
+
+IMPROVEMENTS:
+
+BUG FIXES:
+
 ## 2.2.3 (January 9, 2019)
 
 FEATURES:
diff --git a/version.txt b/version.txt
index 585940699..d992b5c4f 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.2.3
+2.2.4.dev