diff --git a/plugin-transform-grok/build.gradle b/plugin-transform-grok/build.gradle
index c14ec99..d38f03a 100644
--- a/plugin-transform-grok/build.gradle
+++ b/plugin-transform-grok/build.gradle
@@ -13,5 +13,5 @@ jar {
 }
 
 dependencies {
-    implementation 'org.jruby.joni:joni:2.2.3'
+    implementation 'org.jruby.joni:joni:2.2.5'
 }