diff --git a/action.yml b/action.yml
index d3b640b..88750d8 100644
--- a/action.yml
+++ b/action.yml
@@ -9,7 +9,7 @@ runs:
     with:
       entrypoint: "/bin/bash"
       args: |
-        -c "echo 'bootJar {archiveFileName = \"app.jar\"}' > build.gradle && \
+        -c "echo 'bootJar {archiveFileName = \"app.jar\"}' >> build.gradle && \
             gradle build -x test --info -Dhttps.proxyHost=100.100.13.14 -Dhttps.proxyPort=8118 -Dhttp.proxyHost=100.100.13.14 -Dhttp.proxyPort=8118 --no-daemon"