diff --git a/pkgs/by-name/so/sourcegit/deps.json b/pkgs/by-name/so/sourcegit/deps.json
index b702e5011c1e..2bc9068de752 100644
--- a/pkgs/by-name/so/sourcegit/deps.json
+++ b/pkgs/by-name/so/sourcegit/deps.json
@@ -104,6 +104,11 @@
     "version": "1.44.1",
     "hash": "sha256-0su/ylZ68+FDZ6mgfp3qsm7qpfPtD5SW75HXbVhs5qk="
   },
+  {
+    "pname": "BitMiracle.LibTiff.NET",
+    "version": "2.4.660",
+    "hash": "sha256-J3nFOSYvXGizfrGdYiIOF/zKvMQJ/KaUi+lSmmD/9Xo="
+  },
   {
     "pname": "CommunityToolkit.Mvvm",
     "version": "8.4.0",
@@ -174,6 +179,11 @@
     "version": "2.2.0-beta.4",
     "hash": "sha256-kkNb9Jp7djvE2060+HIGoqnkFpOzQ5l/PK5oH4FO3e4="
   },
+  {
+    "pname": "Pfim",
+    "version": "0.11.3",
+    "hash": "sha256-SNngIsloTjRymY64AGw+agXeG4U3kIgE+Pk8NqxMBO8="
+  },
   {
     "pname": "SkiaSharp",
     "version": "2.88.9",
diff --git a/pkgs/by-name/so/sourcegit/package.nix b/pkgs/by-name/so/sourcegit/package.nix
index d5486e70bd91..4fc18113d035 100644
--- a/pkgs/by-name/so/sourcegit/package.nix
+++ b/pkgs/by-name/so/sourcegit/package.nix
@@ -15,17 +15,19 @@
 
   git,
   xdg-utils,
+
+  nix-update-script,
 }:
 
 buildDotnetModule (finalAttrs: {
   pname = "sourcegit";
-  version = "2025.19";
+  version = "2025.23";
 
   src = fetchFromGitHub {
     owner = "sourcegit-scm";
     repo = "sourcegit";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-4DZ4fZPvDHmpKtre6Gl7YtjmFN+tglAW9+Axld+m7dM=";
+    hash = "sha256-q8w1AOVsj9zVGRQzn8paUnjH3VDf+2egVSjiH24q6zI=";
   };
 
   patches = [ ./fix-darwin-git-path.patch ];
@@ -106,6 +108,8 @@ buildDotnetModule (finalAttrs: {
       ln -s $out/bin/SourceGit $out/Applications/SourceGit.app/Contents/MacOS/SourceGit
     '';
 
+  passthru.updateScript = nix-update-script { };
+
   meta = {
     changelog = "https://github.com/sourcegit-scm/sourcegit/releases/tag/${finalAttrs.src.tag}";
     description = "Free & OpenSource GUI client for GIT users";