diff --git a/source/peer/pom.xml b/source/peer/pom.xml
index fc17f168..4879d453 100644
--- a/source/peer/pom.xml
+++ b/source/peer/pom.xml
@@ -10,7 +10,7 @@
 	<artifactId>peer</artifactId>
 
 	<properties>
-		<log4j.version>2.10.0</log4j.version>
+		<log4j.version>2.15.0</log4j.version>
 		<slf4j.version>1.7.25</slf4j.version>
 	</properties>
 
diff --git a/source/pom.xml b/source/pom.xml
index b0479e1a..60b8b62a 100644
--- a/source/pom.xml
+++ b/source/pom.xml
@@ -57,7 +57,7 @@
 		<servlet.version>3.1.0</servlet.version>
 		<jstl.version>1.2</jstl.version>
 
-		<log4j.version>2.10.0</log4j.version>
+		<log4j.version>2.15.0</log4j.version>
 		<slf4j.version>1.7.25</slf4j.version>
 
 		<junit.version>4.12</junit.version>