diff --git a/pkgs/development/libraries/libjodycode/default.nix b/pkgs/development/libraries/libjodycode/default.nix
index 2a99ed5feca3..b2ce994dc5b9 100644
--- a/pkgs/development/libraries/libjodycode/default.nix
+++ b/pkgs/development/libraries/libjodycode/default.nix
@@ -1,24 +1,34 @@
-{ lib
-, stdenv
-, fetchFromGitea
+{
+  lib,
+  stdenv,
+  fetchFromGitea,
+  jdupes,
 }:
 
 stdenv.mkDerivation rec {
   pname = "libjodycode";
-  version = "3.1";
+  version = "3.1.1";
 
-  outputs = [ "out" "man" "dev" ];
+  outputs = [
+    "out"
+    "man"
+    "dev"
+  ];
 
   src = fetchFromGitea {
     domain = "codeberg.org";
     owner = "jbruchon";
     repo = "libjodycode";
     rev = "v${version}";
-    hash = "sha256-uhWQh5YwLwYRm34nY5HvcEepqlTSDt9s3PSoD403kQM=";
+    hash = "sha256-sVEa2gNvgRJK1Ycmv4inbViTBPQFjzcZ8XHlAdsNzOk=";
   };
 
   env.PREFIX = placeholder "out";
 
+  passthru.tests = {
+    inherit jdupes;
+  };
+
   meta = with lib; {
     description = "Shared code used by several utilities written by Jody Bruchon";
     homepage = "https://github.com/jbruchon/libjodycode";