diff --git a/.github/workflows/test-golang.yaml b/.github/workflows/test-golang.yaml
index 33daed03a..f91c320c4 100644
--- a/.github/workflows/test-golang.yaml
+++ b/.github/workflows/test-golang.yaml
@@ -21,9 +21,10 @@ jobs:
           go-version: "1.20"
 
       - name: Install Protoc
-        uses: arduino/setup-protoc@v2
+        # action @v1.3.0 can install protoc 3.19, @v2 installs protoc v21.0+
+        uses: arduino/setup-protoc@v1.3.0
         with:
-          version: '3.19.6'
+          version: "3.19.6"
 
       - name: Run "make test"
         run: make test