diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index c7487b9..da591cf 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -19,6 +19,8 @@ jobs:
 
     steps:
       - uses: "actions/checkout@v4"
+        with:
+          submodules: true
       - uses: "actions/setup-python@v4"
         with:
           python-version: 3.x