diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d1a74f4..18581ae 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -78,3 +78,10 @@ jobs:
             ${{ runner.os }}-go-${{ matrix.golang }}-
       - name: Run tests
         run: make test
+      - name: Convert coverage.out to coverage.lcov
+        uses: jandelgado/gcov2lcov-action@v1.0.6
+      - name: Coveralls
+        uses: coverallsapp/github-action@v1.1.2
+        with:
+          github-token: ${{ secrets.github_token }}
+          path-to-lcov: coverage.lcov
diff --git a/.gitignore b/.gitignore
index 27481c0..ab9ba7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,7 +9,5 @@ cmd/stun-cli/stun-cli
 cmd/stun-decode/stun-decode
 cmd/stun-bench/stun-bench
 
-coverage.txt
-
 e2e/dump.pcap
 e2e/log-*.txt
diff --git a/go.test.sh b/go.test.sh
index 25234e4..434c6f0 100755
--- a/go.test.sh
+++ b/go.test.sh
@@ -18,7 +18,7 @@ go test -race -cpu=1,2,4 -run TestClient_DoConcurrent
 for d in $(go list ./... | grep -v vendor); do
     go test -race -coverprofile=profile.out -covermode=atomic "$d"
     if [[ -f profile.out ]]; then
-        cat profile.out >> coverage.txt
+        cat profile.out >> coverage.out
         rm profile.out
     fi
 done