diff --git a/pkgs/development/python-modules/mypy-boto3/default.nix b/pkgs/development/python-modules/mypy-boto3/default.nix
index c323d3acae30..19dc793e8d91 100644
--- a/pkgs/development/python-modules/mypy-boto3/default.nix
+++ b/pkgs/development/python-modules/mypy-boto3/default.nix
@@ -46,8 +46,8 @@ let
 in
 rec {
   mypy-boto3-accessanalyzer =
-    buildMypyBoto3Package "accessanalyzer" "1.38.0"
-      "sha256-y9/xQ8qsa7lI01hQTKuDBPavkQKuUX7pE4BRzwZ/bIQ=";
+    buildMypyBoto3Package "accessanalyzer" "1.38.38"
+      "sha256-5Eb7nvh2TMsoo+cek4/U1gMGw59qRHjvKPreVxPzh9g=";
 
   mypy-boto3-account =
     buildMypyBoto3Package "account" "1.38.0"