diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 7e4eee41bf75..6a5f556a6e1f 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -347,8 +347,8 @@ in
       "sha256-omWYUcr7Aj6r1F1kKAmM32fn9577UeUgqesnIiBIpPQ=";
 
   mypy-boto3-connectcases =
-    buildMypyBoto3Package "connectcases" "1.42.55"
-      "sha256-wB3bSavhTTCIvF/5myLyIHItqPvNvudCzoB2tt8g1iM=";
+    buildMypyBoto3Package "connectcases" "1.42.65"
+      "sha256-iR144ZT1HeBjNTrWCzaq4Z4JuA92Xk6Yo6Rjo7nxyy8=";
 
   mypy-boto3-connectparticipant =
     buildMypyBoto3Package "connectparticipant" "1.42.3"