diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 10dc67bc1ff3..d658d0c0402d 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -134,8 +134,8 @@ rec {
       "sha256-KuDlcfOuF3krMocvgR2LaP2+xKeYl2CMPKRewN8inj4=";
 
   mypy-boto3-appsync =
-    buildMypyBoto3Package "appsync" "1.35.0"
-      "sha256-q5NsdqNr0m34SVm+eBYVv2PlS18PaqBwMuzh6jttfFc=";
+    buildMypyBoto3Package "appsync" "1.35.12"
+      "sha256-mHIUStFvFUTvHYWdZUNcIIOI//vNACI0veXXNLAAOVY=";
 
   mypy-boto3-arc-zonal-shift =
     buildMypyBoto3Package "arc-zonal-shift" "1.35.0"