diff --git a/.github/workflows/ci-unmnemonic-devices-vrs.yml b/.github/workflows/ci-unmnemonic-devices-vrs.yml
index 0a450726..6af537b7 100644
--- a/.github/workflows/ci-unmnemonic-devices-vrs.yml
+++ b/.github/workflows/ci-unmnemonic-devices-vrs.yml
@@ -102,7 +102,7 @@ jobs:
           --locked
       - name: Generate code coverage
         working-directory: unmnemonic_devices_vrs
-        run: export $(cat .env.test | xargs) && cargo install cargo-tarpaulin@0.25.2 && cargo tarpaulin --verbose --workspace --out lcov --output-dir coverage
+        run: export $(cat .env.test | xargs) && cargo install cargo-tarpaulin@0.25.2 --locked && cargo tarpaulin --verbose --workspace --out lcov --output-dir coverage
         env:
           DATABASE_URL: postgres://postgres:postgres@localhost/postgres
       - name: Coveralls GitHub Action