diff --git a/CHANGELOG.md b/CHANGELOG.md
index b0cd9a11a..984b4556a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.5.4 (unreleased)
+
+
+
 ## 1.5.3 (April 14, 2014)
 
 IMPROVEMENTS:
diff --git a/version.txt b/version.txt
index 8af85beb5..d6e9b7756 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.5.3
+1.5.4.dev