diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 3be034c68ec9..cec34f4d9a18 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" "1.42.3"
-      "sha256-OpFwfLIgldcA31CkZfgcD8H9vOPNVNSxmr0J3taPKV8=";
+    buildMypyBoto3Package "connectcases" "1.42.35"
+      "sha256-y/EYsonfz1GwySCHmcVK5i3gVGarbM3bLvDIj/nFh9o=";
 
   mypy-boto3-connectparticipant =
     buildMypyBoto3Package "connectparticipant" "1.42.3"