diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa929d51d5afc..f23c36a0b6ddc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix infinite loop in nested agg ([#15931](https://github.com/opensearch-project/OpenSearch/pull/15931))
 - Fix race condition in node-join and node-left ([#15521](https://github.com/opensearch-project/OpenSearch/pull/15521))
 - Streaming bulk request hangs ([#16158](https://github.com/opensearch-project/OpenSearch/pull/16158))
+- Fix warnings from SLF4J on startup when repository-s3 is installed ([#16194](https://github.com/opensearch-project/OpenSearch/pull/16194))
 
 ### Security
 
diff --git a/plugins/repository-s3/build.gradle b/plugins/repository-s3/build.gradle
index 00decbe4fa9cd..22aa151c92003 100644
--- a/plugins/repository-s3/build.gradle
+++ b/plugins/repository-s3/build.gradle
@@ -82,6 +82,8 @@ dependencies {
   api "joda-time:joda-time:${versions.joda}"
   api "org.slf4j:slf4j-api:${versions.slf4j}"
 
+  runtimeOnly "org.apache.logging.log4j:log4j-slf4j-impl:${versions.log4j}"
+
   // network stack
   api "io.netty:netty-buffer:${versions.netty}"
   api "io.netty:netty-codec:${versions.netty}"
@@ -111,6 +113,7 @@ tasks.named("dependencyLicenses").configure {
   mapping from: /jackson-.*/, to: 'jackson'
   mapping from: /jaxb-.*/, to: 'jaxb'
   mapping from: /netty-.*/, to: 'netty'
+  mapping from: /log4j-.*/, to: 'log4j'
 }
 
 bundlePlugin {
@@ -510,9 +513,7 @@ thirdPartyAudit {
     'org.jboss.marshalling.MarshallingConfiguration',
     'org.jboss.marshalling.Unmarshaller',
 
-    'org.slf4j.impl.StaticLoggerBinder',
-    'org.slf4j.impl.StaticMDCBinder',
-    'org.slf4j.impl.StaticMarkerBinder',
+    'org.slf4j.ext.EventData',
     'reactor.blockhound.BlockHound$Builder',
     'reactor.blockhound.integration.BlockHoundIntegration',
 
diff --git a/plugins/repository-s3/licenses/log4j-slf4j-impl-2.21.0.jar.sha1 b/plugins/repository-s3/licenses/log4j-slf4j-impl-2.21.0.jar.sha1
new file mode 100644
index 0000000000000..0e22f98daa61c
--- /dev/null
+++ b/plugins/repository-s3/licenses/log4j-slf4j-impl-2.21.0.jar.sha1
@@ -0,0 +1 @@
+911fdb5b1a1df36719c579ecc6f2957b88bce1ab
\ No newline at end of file