diff --git a/pom.xml b/pom.xml
index 52e67b2..e581168 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
     <spring.boot.version>2.2.1.RELEASE</spring.boot.version>
     <spring.version>5.3.2</spring.version>
     <gson.version>2.8.6</gson.version>
-    <log4j2.version>2.12.1</log4j2.version>
+    <log4j2.version>2.15.0</log4j2.version>
     <curator.version>2.13.0</curator.version>
     <junit.version>4.12</junit.version>
   </properties>
diff --git a/timing-go-executor-samples/pom.xml b/timing-go-executor-samples/pom.xml
index 4f29439..73732d5 100644
--- a/timing-go-executor-samples/pom.xml
+++ b/timing-go-executor-samples/pom.xml
@@ -18,7 +18,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
-    <log4j2.version>2.12.1</log4j2.version>
+    <log4j2.version>2.15.0</log4j2.version>
   </properties>
 
   <dependencies>