diff --git a/pkgs/by-name/ci/cinny-desktop/package.nix b/pkgs/by-name/ci/cinny-desktop/package.nix
index c37b2a3b6025..4654b89dc523 100644
--- a/pkgs/by-name/ci/cinny-desktop/package.nix
+++ b/pkgs/by-name/ci/cinny-desktop/package.nix
@@ -20,35 +20,30 @@
 
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "cinny-desktop";
-  # We have to be using the same version as cinny-web or this isn't going to work.
-  version = "4.12.2";
+  version = "4.12.5";
 
   src = fetchFromGitHub {
     owner = "cinnyapp";
     repo = "cinny-desktop";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-gaTgNTn0/HHzULHRL03+t73MEUOGdqcEyqaIt8CWA0k=";
+    hash = "sha256-/A/O42jwwK2iDV1IdRjOO8fE/AZ0h7UWAZZLozOqUWs=";
   };
 
   sourceRoot = "${finalAttrs.src.name}/src-tauri";
 
-  cargoHash = "sha256-x7rpnhTz454Ftolu4x50NSGKdg8NfenUwdhPY4a+lbA=";
+  cargoHash = "sha256-EF8gpfeZasazq0NKrjItt4bkgautQjYjEegf1OlWLOw=";
 
   postPatch =
     let
-      cinny' =
-        assert lib.assertMsg (
-          cinny.version == finalAttrs.version
-        ) "cinny.version (${cinny.version}) != cinny-desktop.version (${finalAttrs.version})";
-        cinny.override {
-          conf = {
-            hashRouter.enabled = true;
-          };
+      cinny' = cinny.override {
+        conf = {
+          hashRouter.enabled = true;
         };
+      };
     in
     ''
       ${lib.getExe jq} \
-        'del(.plugins.tauri.updater) | .build.frontendDist = "${cinny'}" | del(.build.beforeBuildCommand) | .bundle.createUpdaterArtifacts = false' tauri.conf.json \
+        '.build.frontendDist = "${cinny'}" | del(.build.beforeBuildCommand) | .bundle.createUpdaterArtifacts = false' tauri.conf.json \
         | ${lib.getExe' moreutils "sponge"} tauri.conf.json
     '';
 
@@ -82,6 +77,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
     webkitgtk_4_1
   ];
 
+  buildNoDefaultFeatures = true;
+  buildFeatures = [ "custom-protocol" ];
+
   passthru = {
     updateScript = _experimental-update-script-combinators.sequence [
       (nix-update-script { attrPath = "cinny-unwrapped"; })
diff --git a/pkgs/by-name/ci/cinny-unwrapped/package.nix b/pkgs/by-name/ci/cinny-unwrapped/package.nix
index add2f7191cc7..f8b00f00cf07 100644
--- a/pkgs/by-name/ci/cinny-unwrapped/package.nix
+++ b/pkgs/by-name/ci/cinny-unwrapped/package.nix
@@ -7,17 +7,17 @@
 buildNpmPackage (finalAttrs: {
   pname = "cinny-unwrapped";
   # Remember to update cinny-desktop when bumping this version.
-  version = "4.12.2";
+  version = "4.12.3";
 
   # nixpkgs-update: no auto update
   src = fetchFromGitHub {
     owner = "cinnyapp";
     repo = "cinny";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-UF5MwV02G0oYIXtvyzHn+DifYM8PFlyb9DZ4w1fuyDE=";
+    hash = "sha256-RjPdq9xNvUbJESV7CqxmgfqAx+MoKZbhUtJNTcH9aUk=";
   };
 
-  npmDepsHash = "sha256-8SyUFv1wgnqfSyBlykmeGI8RAmFt5Q5uS6OFLi+qPPY=";
+  npmDepsHash = "sha256-CU8AVRuMFOGI0/LbN0LGysBk+qc2XQYxQGfrrH72stc=";
 
   # Skip rebuilding native modules since they're not needed for the web app
   npmRebuildFlags = [