diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index ab88e22..aeb3492 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -13,8 +13,15 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v4
 
+      - name: Install Nix
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix \
+            | sh -s -- install --no-confirm --no-daemon
+          echo "$HOME/.nix-profile/bin" >> "$GITHUB_PATH"
+
       - name: Build with Nix
         run: |
+          . "$HOME/.nix-profile/etc/profile.d/nix.sh"
           nix build .#teleuploader --impure --option sandbox false 2>&1
 
       - name: Deploy (local — runner is on same VPS)