diff --git a/build.gradle b/build.gradle
index 6bd2352..30a7aee 100644
--- a/build.gradle
+++ b/build.gradle
@@ -40,7 +40,7 @@ dependencies {
 
     implementation 'commons-cli:commons-cli:1.5.0'
     implementation 'commons-beanutils:commons-beanutils:1.9.4'
-    implementation 'org.apache.commons:commons-configuration2:2.8.0'
+    implementation 'org.apache.commons:commons-configuration2:2.9.0'
 
     implementation 'xyz.malkki:gtfs-library:0.1.2'
     implementation group: 'org.mobilitydata', name: 'gtfs-realtime-bindings', version: '0.0.8'