diff --git a/CHANGELOG.md b/CHANGELOG.md
index e70dab1ab312b..3672947ea606b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -50,6 +50,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Bump `com.networknt:json-schema-validator` from 1.0.81 to 1.0.83 ([7933](https://github.com/opensearch-project/OpenSearch/pull/7933/))
 - Bump `com.google.http-client:google-http-client:1.43.2` from 1.42.0 to 1.43.2 ([7928](https://github.com/opensearch-project/OpenSearch/pull/7928)))
 - Bump `com.azure:azure-storage-blob` from 12.21.1 to 12.22.2 ([7930](https://github.com/opensearch-project/OpenSearch/pull/7930))
+- Bump `io.projectreactor:reactor-core` from 3.5.1 to 3.5.6 in /plugins/repository-azure ([#8016](https://github.com/opensearch-project/OpenSearch/pull/8016))
 
 ### Changed
 - [CCR] Add getHistoryOperationsFromTranslog method to fetch the history snapshot from translogs ([#3948](https://github.com/opensearch-project/OpenSearch/pull/3948))
diff --git a/plugins/repository-azure/build.gradle b/plugins/repository-azure/build.gradle
index df8f2dfb5922a..d711950f1392d 100644
--- a/plugins/repository-azure/build.gradle
+++ b/plugins/repository-azure/build.gradle
@@ -57,7 +57,7 @@ dependencies {
   implementation project(':modules:transport-netty4')
   api 'com.azure:azure-storage-blob:12.22.2'
   api 'org.reactivestreams:reactive-streams:1.0.4'
-  api 'io.projectreactor:reactor-core:3.5.1'
+  api 'io.projectreactor:reactor-core:3.5.6'
   api 'io.projectreactor.netty:reactor-netty:1.1.7'
   api 'io.projectreactor.netty:reactor-netty-core:1.1.7'
   api 'io.projectreactor.netty:reactor-netty-http:1.1.7'
@@ -170,6 +170,7 @@ thirdPartyAudit {
     'org.slf4j.impl.StaticMarkerBinder',
     'reactor.blockhound.BlockHound$Builder',
     'reactor.blockhound.integration.BlockHoundIntegration',
+    'io.micrometer.context.ThreadLocalAccessor',
     'io.micrometer.common.KeyValue',
     'io.micrometer.common.KeyValues',
     'io.micrometer.common.docs.KeyName',
diff --git a/plugins/repository-azure/licenses/reactor-core-3.5.1.jar.sha1 b/plugins/repository-azure/licenses/reactor-core-3.5.1.jar.sha1
deleted file mode 100644
index 697203d58ff36..0000000000000
--- a/plugins/repository-azure/licenses/reactor-core-3.5.1.jar.sha1
+++ /dev/null
@@ -1 +0,0 @@
-d1e833c13320d3a3133be6a70a4f1a82466f65fe
\ No newline at end of file
diff --git a/plugins/repository-azure/licenses/reactor-core-3.5.6.jar.sha1 b/plugins/repository-azure/licenses/reactor-core-3.5.6.jar.sha1
new file mode 100644
index 0000000000000..ad9b7263e7b38
--- /dev/null
+++ b/plugins/repository-azure/licenses/reactor-core-3.5.6.jar.sha1
@@ -0,0 +1 @@
+027fdc551537b349389176a23a192f11a7a3d7de
\ No newline at end of file