diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 88118764..532d4591 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -57,6 +57,10 @@ jobs:
         run: |
           cd ./app/rust
           cargo clippy --all-targets --features "clippy"
+      - name: cargo fmt
+        run: |
+          cd ./app/rust
+          cargo fmt
 
   build_ledger:
     needs: configure