diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 0eb8c148282f..dd76267303cc 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -862,8 +862,8 @@ in
       "sha256-jiYmf0SWN0WBh6kJRllwmPMgcZyCxPRuP2GD2DavqKM=";
 
   mypy-boto3-medialive =
-    buildMypyBoto3Package "medialive" "1.43.0"
-      "sha256-9qc29IQF9OzXua26/slmxeeRMTvdX1kATpvuLJvl4Yk=";
+    buildMypyBoto3Package "medialive" "1.43.3"
+      "sha256-4X8Pw52+dxX3FBDZpw4lu2Uj7VpOecMcufFsI7hYN8I=";
 
   mypy-boto3-mediapackage =
     buildMypyBoto3Package "mediapackage" "1.43.0"