diff --git a/.github/workflows/check-regressions.yml b/.github/workflows/check-regressions.yml
index 73016c96..a9095964 100644
--- a/.github/workflows/check-regressions.yml
+++ b/.github/workflows/check-regressions.yml
@@ -50,7 +50,7 @@ jobs:
 
       - name: Obtain results before changes
         run: |
-          cargo run --locked --release --bin datadog-static-analyzer -- -i ${{ matrix.repo.org }}/${{ matrix.repo.name }} -o result-pre.json -b -f sarif
+          cargo run --locked --frozen --release --bin datadog-static-analyzer -- -i ${{ matrix.repo.org }}/${{ matrix.repo.name }} -o result-pre.json -b -f sarif
 
       - name: Fetch all branches and checkout PR
         run: |