diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 26ed8eeb2432..331cbe0825e0 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -127,8 +127,8 @@ in
       "sha256-gJM0o+V8YnmwVkgnRzR+Peaz45JuRpE8Hs6LRwfTeUQ=";
 
   mypy-boto3-appstream =
-    buildMypyBoto3Package "appstream" "1.43.2"
-      "sha256-lNImOTgL0fRu5Kjv9w4j5eifxpv1qjhVRd1/4bIGfQY=";
+    buildMypyBoto3Package "appstream" "1.43.17"
+      "sha256-cs792cAqETR/V76EgDuwa8cnLJKfqBgCib6ah6c0Qfc=";
 
   mypy-boto3-appsync =
     buildMypyBoto3Package "appsync" "1.43.0"