diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99ed028..02613c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v2.15.1 (2023-04-05)
+
+### Fix
+
+- improved type-hints (#427)
+
 ## v2.15.0 (2023-04-05)
 
 ### Feat