diff --git a/build.gradle b/build.gradle
index 88ab9d1..e5e7083 100644
--- a/build.gradle
+++ b/build.gradle
@@ -15,7 +15,7 @@ buildscript {
 
     // NOTE(mccartney, 2022-07-11): Keeping these versions here works with Dependabot. Moving to gradle.properties does not.
     ext.commonsCliVersion = '1.9.0'
-    ext.commonsIoVersion = '2.17.0'
+    ext.commonsIoVersion = '2.18.0'
     ext.jlineVersion = '2.14.6'
     ext.jodaTimeVersion = '2.13.0'
     ext.junitVersion = '4.13.2'