diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index cf50684c9f2b..3d1ef7fde6e9 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -570,8 +570,8 @@ in
       "sha256-06ckDtpv0ZvarXu9RIy8UxLRprY54/NBmrCyc7vQ5ek=";
 
   mypy-boto3-globalaccelerator =
-    buildMypyBoto3Package "globalaccelerator" "1.41.0"
-      "sha256-v+p1OJoW9sBuO6uXlRolDD9Kk3bksb0jXLYSpzeR8U0=";
+    buildMypyBoto3Package "globalaccelerator" "1.42.3"
+      "sha256-N0kQ7Fc44SFKXhl4V+oAclPNlWhluOs53NDokiXcSNM=";
 
   mypy-boto3-glue =
     buildMypyBoto3Package "glue" "1.41.1"