diff --git a/.github/workflows/pr_tests.yml b/.github/workflows/pr_tests.yml
index e3fc55aef..505b8050d 100644
--- a/.github/workflows/pr_tests.yml
+++ b/.github/workflows/pr_tests.yml
@@ -8,6 +8,7 @@ jobs:
         deno: ["v1.x"]
     steps:
       - uses: actions/checkout@v2
+      - run: git submodule update --init --recursive
       - uses: denoland/setup-deno@main
         with:
           deno-version: ${{ matrix.deno }}
@@ -20,12 +21,13 @@ jobs:
         run: DISCORD_TOKEN=${{ env.DISCORD_TOKEN }} deno test --unstable --coverage=coverage -A tests/mod.ts
         env:
           DISCORD_TOKEN: ${{ secrets.DISCORD_TOKEN }}
-    # TODO: add coverage back when it is stable
-    #      - name: Create coverage report
-    #        run: deno --unstable --exclude=test coverage ./coverage --lcov > coverage.lcov
-    #      - name: Collect and upload the coverage report
-    #        uses: codecov/codecov-action@v1.0.10
-    #        with:
-    #          file: ./coverage.lcov
+      - name: Create coverage report
+        if: github.ref == 'refs/heads/main'
+        run: deno coverage --exclude=tests ./coverage --lcov > coverage.lcov
+      - name: Collect and upload the coverage report
+        if: github.ref == 'refs/heads/main'
+        uses: codecov/codecov-action@v1.0.10
+        with:
+          file: ./coverage.lcov
     env:
       DISCORD_TOKEN: ${{ secrets.DISCORD_TOKEN }}