diff --git a/HISTORY.rst b/HISTORY.rst
index d3b7aed3a9..54c4c5fc76 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -36,6 +36,7 @@
   also found in the new document type. GitLab issue #421.
 - Add tag attach and tag remove events.
 - Change the permission needed to attach and remove tags.
+- Add HTTP POST workflow state action.
 
 2.6.4 (2017-07-26)
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