diff --git a/CHANGELOG.md b/CHANGELOG.md
index b495f4ee870c6420c576f1fb539a9b4d2458ce54..7ffb33e493ef16b20b73119e4363167da0338409 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 CHANGELOG
 ====================
 
+0.3.1
+-----
+* Use ExecutionTime as keys for the tcreport dict
+
 0.3.0
 -----
 * Add unit tests in test_response.py