diff --git a/HISTORY.rst b/HISTORY.rst
index bc32a41..b767790 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -2,6 +2,11 @@
 History
 =======
 
+0.1.37 (2021-12-16)
+-------------------
+
+* Improve type annotations
+
 0.1.36 (2021-12-01)
 -------------------