diff --git a/build.gradle b/build.gradle
index 517baca..d2c36c6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,7 +29,7 @@ dependencies {
   implementation 'org.apache.commons:commons-exec:1.3'
   implementation 'org.ini4j:ini4j:0.5.4'
   implementation 'org.plumelib:options:2.0.3'
-  implementation 'org.plumelib:plume-util:1.8.1'
+  implementation 'org.plumelib:plume-util:1.9.0'
   implementation 'org.tmatesoft.svnkit:svnkit:1.10.11'
 }