diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index ecc076b341d8..75ed782af234 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -986,8 +986,8 @@ rec {
       "sha256-qyUZN9Gz8Q6TBDg1LW+M58TLwDlmqJ9aCr4021LbSL0=";
 
   mypy-boto3-organizations =
-    buildMypyBoto3Package "organizations" "1.35.20"
-      "sha256-SqZDiV8VrLmcdW+cO7LjCFipeJtPlL04uXx58UDgsg0=";
+    buildMypyBoto3Package "organizations" "1.35.28"
+      "sha256-lT/74MV0ZKA1rBoHOuZBM0uAf4/aOQ2V5AMxzGY5RFM=";
 
   mypy-boto3-osis =
     buildMypyBoto3Package "osis" "1.35.0"