diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 8e60da6cbd5a..7c5f377f8859 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -238,8 +238,8 @@ rec {
       "sha256-qr7Okanc/7cgrb31a6mxb23S8nvw3iztCcbGNHcMIhk=";
 
   mypy-boto3-cloudhsmv2 =
-    buildMypyBoto3Package "cloudhsmv2" "1.40.0"
-      "sha256-h/dMWTcSGu7IuI2G2G+gt3EbWV1SA4JpOcYiMtlGUxs=";
+    buildMypyBoto3Package "cloudhsmv2" "1.40.20"
+      "sha256-t5daUK4Nv1R+9uvRYdbOvDWP77A1GhH34w4XkCdIkb0=";
 
   mypy-boto3-cloudsearch =
     buildMypyBoto3Package "cloudsearch" "1.40.17"