diff --git a/docs/source/changelog.rst b/docs/source/changelog.rst
index 4fb78d5..8bbbc4e 100644
--- a/docs/source/changelog.rst
+++ b/docs/source/changelog.rst
@@ -2,6 +2,12 @@
 Changelog
 #########
 
+Version 3.2.1 (2022-06-20)
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- fix: fix corner case for confidence interval
+- doc: add type hinting (@hadware)
+
 Version 3.2 (2022-01-12)
 ~~~~~~~~~~~~~~~~~~~~~~~~