diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0bb3eed67949f..f52eb1b77ee98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,7 +21,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `com.nimbusds:nimbus-jose-jwt` from 9.41.1 to 10.0.2 ([#17607](https://github.com/opensearch-project/OpenSearch/pull/17607), [#17669](https://github.com/opensearch-project/OpenSearch/pull/17669))
 - Bump `com.google.api:api-common` from 1.8.1 to 2.46.1 ([#17604](https://github.com/opensearch-project/OpenSearch/pull/17604))
 - Bump `ch.qos.logback:logback-core` from 1.5.16 to 1.5.17 ([#17609](https://github.com/opensearch-project/OpenSearch/pull/17609))
-- Bump `org.jruby.joni:joni` from 2.2.3 to 2.2.5 ([#17608](https://github.com/opensearch-project/OpenSearch/pull/17608))
+- Bump `org.jruby.joni:joni` from 2.2.3 to 2.2.6 ([#17608](https://github.com/opensearch-project/OpenSearch/pull/17608), [#17732](https://github.com/opensearch-project/OpenSearch/pull/17732))
 - Bump `dangoslen/dependabot-changelog-helper` from 3 to 4 ([#17498](https://github.com/opensearch-project/OpenSearch/pull/17498))
 - Bump `com.google.api:gax` from 2.35.0 to 2.63.1 ([#17465](https://github.com/opensearch-project/OpenSearch/pull/17465))
 - Bump `com.azure:azure-storage-blob` from 12.29.1 to 12.30.0 ([#17667](https://github.com/opensearch-project/OpenSearch/pull/17667))
diff --git a/libs/grok/build.gradle b/libs/grok/build.gradle
index 97c68177a1164..a23f518ee9c5a 100644
--- a/libs/grok/build.gradle
+++ b/libs/grok/build.gradle
@@ -29,7 +29,7 @@
  */
 
 dependencies {
-  api 'org.jruby.joni:joni:2.2.5'
+  api 'org.jruby.joni:joni:2.2.6'
   // joni dependencies:
   api 'org.jruby.jcodings:jcodings:1.0.63'
 
diff --git a/libs/grok/licenses/joni-2.2.5.jar.sha1 b/libs/grok/licenses/joni-2.2.5.jar.sha1
deleted file mode 100644
index 060581a9b8a28..0000000000000
--- a/libs/grok/licenses/joni-2.2.5.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-4ebafe67efa7395678a34d07e7585bed5ef0cc72
\ No newline at end of file
diff --git a/libs/grok/licenses/joni-2.2.6.jar.sha1 b/libs/grok/licenses/joni-2.2.6.jar.sha1
new file mode 100644
index 0000000000000..c097a8c30bb51
--- /dev/null
+++ b/libs/grok/licenses/joni-2.2.6.jar.sha1
@@ -0,0 +1 @@
+864217ab7dcece78ad7bf3c045a602d871ff309a
\ No newline at end of file