diff --git a/.gitea/workflows/nix.yaml b/.gitea/workflows/tests.yaml
similarity index 59%
rename from .gitea/workflows/nix.yaml
rename to .gitea/workflows/tests.yaml
index 873b027..8868ca9 100644
--- a/.gitea/workflows/nix.yaml
+++ b/.gitea/workflows/tests.yaml
@@ -1,10 +1,6 @@
-name: Nix
+name: Tests
 on:
   pull_request:
-    push:
-    branches:
-      - master
-      - main
 
 env:
   NIXPKGS_ALLOW_UNFREE: 1
@@ -17,6 +13,9 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-          lfs: true
+      - name: alejandra
+        run: nix develop --impure --command bash -c 'alejandra check flake.nix'
+      - name: install
+        run: nix develop --impure --command bash -c 'yarn install'
       - name: lint
         run: nix develop --impure --command bash -c 'yarn run lint'
diff --git a/flake.nix b/flake.nix
index 587469b..923b8e7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -53,7 +53,7 @@
   in with pkgs; {
     defaultPackage = appBuild;
     devShell = mkShell {
-      buildInputs = [ nodejs yarn watchman gradle_7 ];
+      buildInputs = [ nodejs yarn watchman gradle_7 alejandra ];
       ANDROID_SDK_BIN = android-sdk;
       shellHook = ''
         export JAVA_HOME=${pkgs.jdk17.home}