diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 443d28389abb..d2c33e14f459 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -470,8 +470,8 @@ rec {
       "sha256-DQZUI72cnRt4YwHMQivMdL4y9B9EN2H7dIMmybcX/Uk=";
 
   mypy-boto3-eks =
-    buildMypyBoto3Package "eks" "1.40.0"
-      "sha256-bfQxrWlOJQJVJ/pSyzdkaj5vN3tE8PbH2ioeJmEetpc=";
+    buildMypyBoto3Package "eks" "1.40.3"
+      "sha256-vkqLHrhHhU4CsvLez2MDUHWwlU91i4i+DVEs5TM3Rp8=";
 
   mypy-boto3-elastic-inference =
     buildMypyBoto3Package "elastic-inference" "1.36.0"