diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 426189aa8569..e8ddbd201e29 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -306,8 +306,8 @@ rec {
       "sha256-xv85IiUoOprlI7Rb7+dn6+Jo9oxuBZgV4m58FIYR6Yk=";
 
   mypy-boto3-codestar-notifications =
-    buildMypyBoto3Package "codestar-notifications" "1.37.0"
-      "sha256-++3ixApRniFY/gYZDA2ae6dtAVyxE2ujciTyLT2/vbk=";
+    buildMypyBoto3Package "codestar-notifications" "1.38.0"
+      "sha256-VRjRhKcPZrZl5tY6q7AMBjIEnp9Zcj61/ZkliNMb1f0=";
 
   mypy-boto3-cognito-identity =
     buildMypyBoto3Package "cognito-identity" "1.37.13"