diff --git a/go/test/action.yml b/go/test/action.yml
index 66a9f03..2f70c5e 100644
--- a/go/test/action.yml
+++ b/go/test/action.yml
@@ -9,13 +9,17 @@ inputs:
     description: A timeout value in seconds. If tests take longer than this, they will fail. Not setting this value will fallback to go test's default of 10 minutes.
     required: false
     default: ""
+  PARALLEL:
+    description: Whether to run tests in parallel. Defaults to true.
+    required: false
+    default: "true"
 
 runs:
   using: 'composite'
   steps:
     - name: Running go tests
       shell: bash
-      run: ${GITHUB_ACTION_PATH}/test.sh "${{ inputs.TAGS }}" "${{ inputs.TIMEOUT }}"
+      run: ${GITHUB_ACTION_PATH}/test.sh "${{ inputs.TAGS }}" "${{ inputs.TIMEOUT }}" "${{ inputs.PARALLEL }}"
     - name: Uploading test report
       uses: actions/upload-artifact@v4
       with:
diff --git a/go/test/test.sh b/go/test/test.sh
index fa96f6f..d84d250 100755
--- a/go/test/test.sh
+++ b/go/test/test.sh
@@ -3,6 +3,7 @@ set -e
 
 TAGS=$1
 TIMEOUT=$2
+PARALLEL=$3
 
 cmd="go test 2>&1 ./... -coverprofile=coverage.out"
 
@@ -31,6 +32,10 @@ if [ -n "$TIMEOUT" ]; then
   cmd="$cmd -timeout ${TIMEOUT}s"
 fi
 
+if [ "$PARALLEL" = "false" ]; then
+  cmd="$cmd -p 1"
+fi
+
 echo "$cmd  | tee test-report.out"
 eval "$cmd" | tee test-report.out