diff --git a/pkgs/tools/backup/s3ql/default.nix b/pkgs/tools/backup/s3ql/default.nix
index bc6ea1876767..1583048f961c 100644
--- a/pkgs/tools/backup/s3ql/default.nix
+++ b/pkgs/tools/backup/s3ql/default.nix
@@ -4,18 +4,19 @@
   python3,
   sqlite,
   which,
+  nix-update-script,
 }:
 
 python3.pkgs.buildPythonApplication rec {
   pname = "s3ql";
-  version = "5.1.3";
+  version = "5.2.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "s3ql";
     repo = "s3ql";
     rev = "refs/tags/s3ql-${version}";
-    hash = "sha256-8vGW0Kl6hDTY+9mTnm2S659PZ/9gl90d2tXxKIIFimo=";
+    hash = "sha256-85J0ymGe9V6f95Ycdq84dY+UiybhPdFXZzuIBb1nD5c=";
   };
 
   build-system = with python3.pkgs; [ setuptools ];
@@ -52,6 +53,13 @@ python3.pkgs.buildPythonApplication rec {
 
   pytestFlagsArray = [ "tests/" ];
 
+  passthru.updateScript = nix-update-script {
+    extraArgs = [
+      "--version-regex"
+      "s3ql-([0-9.]+)"
+    ];
+  };
+
   meta = with lib; {
     description = "Full-featured file system for online data storage";
     homepage = "https://github.com/s3ql/s3ql/";