diff --git a/.github/workflows/formatting.yml b/.github/workflows/formatting.yml
index c661ff7a..d4141d3f 100644
--- a/.github/workflows/formatting.yml
+++ b/.github/workflows/formatting.yml
@@ -13,6 +13,8 @@ jobs:
     
     steps:
     - uses: actions/checkout@v1
+    - name: Install deps
+      run: sudo apt-get install -y indent
     - name: formatting
       run: make test-format