diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 484700a60f5d..b51c49fd0772 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-Mvf3bBhrRRR+hoAsBPq7p9COJqVxV9LL+GrnikrHX2g=";
 
   mypy-boto3-appstream =
-    buildMypyBoto3Package "appstream" "1.42.13"
-      "sha256-m4AVJ90I01eb7W8lq2eHTzs6Y1liWlUCezUcoFE57/c=";
+    buildMypyBoto3Package "appstream" "1.42.54"
+      "sha256-NrR4wQslCosBCvmAkGe7qJ3WNu428hD3+SZUk1Ga870=";
 
   mypy-boto3-appsync =
     buildMypyBoto3Package "appsync" "1.42.6"