diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 75066ef6f1..ea7905ad2a 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -176,3 +176,18 @@ jobs:
           Test outcome: ${{ steps.test.outcome }}
         # every step must define a `uses` or `run` key
         run: echo NOOP
+  valgrind:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+      - run: sudo apt-get install -y valgrind
+      - uses: actions/cache@v1
+        with:
+          path: vendor/bundle
+          key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile') }}
+          restore-keys: ${{ runner.os }}-gems-
+      - run: bundle install --jobs=3 --retry=3 --path=vendor/bundle
+      - run: bundle exec rake test:valgrind