diff --git a/CHANGES.rst b/CHANGES.rst
index 26d60b54..826c72f9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,7 +3,7 @@ Changelog
 =========
 
 
-Version 3.4.0 (2019-09-XX)
+Version 3.4.0 (2019-09-17)
 ==========================
 - Add support for pyarrow 0.14.1
 - Use urlquote for faster quoting/unquoting