diff --git a/buildSrc/src/testKit/thirdPartyAudit/sample_jars/build.gradle b/buildSrc/src/testKit/thirdPartyAudit/sample_jars/build.gradle
index cb8050d1718c4..52ec539dd50ba 100644
--- a/buildSrc/src/testKit/thirdPartyAudit/sample_jars/build.gradle
+++ b/buildSrc/src/testKit/thirdPartyAudit/sample_jars/build.gradle
@@ -16,7 +16,7 @@ repositories {
   mavenCentral()
 }
 dependencies {
-  implementation "org.apache.logging.log4j:log4j-core:2.20.0"
+  implementation "org.apache.logging.log4j:log4j-core:2.21.0"
 }
 
 ["0.0.1", "0.0.2"].forEach { v ->