diff --git a/bin/library.js b/bin/library.js
index 6345a23..4feb153 100644
--- a/bin/library.js
+++ b/bin/library.js
@@ -95,7 +95,7 @@ export const run_deploy = async (project) => {
 }
 
 export const run_deploy_root = async () => {
-    if (!(await isModified(pom.xml))) {
+    if (!(await isModified('pom.xml'))) {
         console.log(`✅  Skip deploy root`)
         return
     }
@@ -104,7 +104,7 @@ export const run_deploy_root = async () => {
         () => $`mvn clean deploy -N -D skipTests -s ${maven_setting}`
     )
     console.log(`✅  Finished deploy root (${millisecondToString(output['duration'])})`)
-    await updateModifiedTime(`pom.xml`)
+    await updateModifiedTime('pom.xml')
 }
 
 export const run_deploy_batch = async (projects) => {