diff --git a/CHANGELOG.md b/CHANGELOG.md
index d15c9b604c60c..e2f0ef1800931 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,6 +56,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `org.bouncycastle:bcpg-fips` from 2.0.10 to 2.0.11 ([#18668](https://github.com/opensearch-project/OpenSearch/pull/18668))
 - Bump `com.password4j:password4j` from 1.8.2 to 1.8.3 ([#18668](https://github.com/opensearch-project/OpenSearch/pull/18668))
 - Bump `com.azure:azure-core` from 1.55.3 to 1.55.5 ([#18691](https://github.com/opensearch-project/OpenSearch/pull/18691))
+- Bump `com.squareup.okhttp3:okhttp` from 4.12.0 to 5.1.0 ([#18749](https://github.com/opensearch-project/OpenSearch/pull/18749))
 - Bump `com.google.jimfs:jimfs` from 1.3.0 to 1.3.1 ([#18743](https://github.com/opensearch-project/OpenSearch/pull/18743)), [#18746](https://github.com/opensearch-project/OpenSearch/pull/18746)), [#18748](https://github.com/opensearch-project/OpenSearch/pull/18748))
 - Bump `com.azure:azure-storage-common` from 12.29.0 to 12.29.1 ([#18742](https://github.com/opensearch-project/OpenSearch/pull/18742))
 - Bump `org.apache.commons:commons-lang3` from 3.17.0 to 3.18.0 ([#18745](https://github.com/opensearch-project/OpenSearch/pull/18745))
diff --git a/test/fixtures/hdfs-fixture/build.gradle b/test/fixtures/hdfs-fixture/build.gradle
index 9bbb8f86856ce..85559666d9c07 100644
--- a/test/fixtures/hdfs-fixture/build.gradle
+++ b/test/fixtures/hdfs-fixture/build.gradle
@@ -85,7 +85,7 @@ dependencies {
     exclude group: "org.jline"
   }
   runtimeOnly "com.google.guava:guava:${versions.guava}"
-  runtimeOnly("com.squareup.okhttp3:okhttp:4.12.0") {
+  runtimeOnly("com.squareup.okhttp3:okhttp:5.1.0") {
     exclude group: "com.squareup.okio"
   }
   runtimeOnly "com.squareup.okio:okio:3.15.0"