diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1651b7c75..6b34088fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.7.4 (unreleased)
+
+
+
 ## 1.7.3 (July 10, 2015)
 
 FEATURES:
diff --git a/version.txt b/version.txt
index 661e7aead..13bf18c2d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.7.3
+1.7.4.dev