diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d7ae6744..4131ed2de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,3 +35,8 @@ Version 1.5.5
 - add api for grouping centers ;
 - select centers as grouped on step "pick centers" in exports ;
 
+Branch 33
+=========
+
+- fix long url in report download. The exports parameters are now stored in redis.
+