diff --git a/libs/grok/build.gradle b/libs/grok/build.gradle
index 2e3cf8d45ceab..97cf68a7971fa 100644
--- a/libs/grok/build.gradle
+++ b/libs/grok/build.gradle
@@ -29,7 +29,7 @@
  */
 
 dependencies {
-  api 'org.jruby.joni:joni:2.1.48'
+  api 'org.jruby.joni:joni:2.2.1'
   // joni dependencies:
   api 'org.jruby.jcodings:jcodings:1.0.58'