diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9bd4779..ecc5254 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## RENEE development version
+
 ## RENEE 2.5.12
 
 - Minor documentation improvements. (#100, @kelly-sovacool)
diff --git a/VERSION b/VERSION
index dfe30ee..4fa1b37 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.12
+2.5.12-dev