diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index 2e9de3e1cbe8..fb5c93240487 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -106,8 +106,8 @@ in
       "sha256-eBbaAv0NU/VcaZNNPaBvU2pt7rXNm2DwqZ0xtoX2WwU=";
 
   mypy-boto3-appintegrations =
-    buildMypyBoto3Package "appintegrations" "1.40.0"
-      "sha256-7su8sPB0QUQi+5ZQd701JYNVqpoIww3q0N4puBcszT4=";
+    buildMypyBoto3Package "appintegrations" "1.40.55"
+      "sha256-JYfNdS/e3ftDshlXoVVTfw2+zQUuGy+rpdM0dIrD7dM=";
 
   mypy-boto3-application-autoscaling =
     buildMypyBoto3Package "application-autoscaling" "1.40.0"