diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f080c11..8c7e2f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,6 +13,7 @@ jobs:
         with:
           node-version-file: .tool-versions
           cache: 'yarn'
+      - run: yarn install --frozen-lockfile
       - run: yarn build
   lint:
     runs-on: ubuntu-latest
@@ -22,4 +23,5 @@ jobs:
         with:
           node-version-file: .tool-versions
           cache: 'yarn'
+      - run: yarn install --frozen-lockfile
       - run: yarn lint