diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 52babf04361b..1deb5c05578b 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -314,8 +314,8 @@ in
       "sha256-N9PEmvqI7Yc7AAuDdOj1iePSq7hJTgOmS+4z7GzYd98=";
 
   mypy-boto3-cognito-idp =
-    buildMypyBoto3Package "cognito-idp" "1.41.0"
-      "sha256-9MCBpnk5peEGatBczFtD9vlyMjKGPtrJwGs2a+yggsQ=";
+    buildMypyBoto3Package "cognito-idp" "1.42.3"
+      "sha256-KCVazTb8gIjJokV+jyjpBzcXt6cg3B8i5ogt3iFYlyk=";
 
   mypy-boto3-cognito-sync =
     buildMypyBoto3Package "cognito-sync" "1.41.0"