revert to mvn command
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 56ea71e..78a21ca 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -35,5 +35,5 @@
           java-version: 1.8
       - name: Build with Maven
         run: |
-          ./mvnw --batch-mode --no-transfer-progress clean install cobertura:cobertura -Dmaven.javadoc.skip=true
+          mvn --batch-mode --no-transfer-progress clean install cobertura:cobertura -Dmaven.javadoc.skip=true
           bash <(curl -s https://codecov.io/bash)