diff --git a/CHANGELOG.md b/CHANGELOG.md
index 705201c1..70a42cfe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+* Query Session Pool redesign
+
 ## 3.16.1 ##
 * SLO tests for query service
 * Fix connection close mechanism