diff --git a/.github/workflows/ci.yml b/.github/workflows/main.yml
similarity index 84%
rename from .github/workflows/ci.yml
rename to .github/workflows/main.yml
index cdd79cc..e33d85b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/main.yml
@@ -1,6 +1,6 @@
-name: CI
+name: Main
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
 
@@ -12,7 +12,7 @@ jobs:
     - uses: actions/setup-go@master
       with:
         go-version: '1.13'
-    - name: gofmt
+    - name: Run gofmt
       run: test -z $(gofmt -l .) || (gofmt -d . && exit 1)
 
   lint:
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/setup-go@master
         with:
           go-version: '1.13'
-      - name: golangci-lint
+      - name: Run golangci-lint
         run: |
           curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.22.2
           ./bin/golangci-lint run -v ./...
@@ -38,9 +38,10 @@ jobs:
     - uses: actions/setup-go@master
       with:
         go-version: '1.13'
-    - name: go test
+    - name: Run go test
       run: go test -race -coverprofile=coverage.txt ./...
-    - name: upload to codecov
+    - name: Upload coverage to codecov.io
+      if: github.event_name == 'push'
       uses: codecov/codecov-action@v1
       with:
         token: ${{ secrets.CODECOV_TOKEN }}