diff --git a/clic-master/pom.xml b/clic-master/pom.xml
index 3cba79b7..3e82e6d3 100644
--- a/clic-master/pom.xml
+++ b/clic-master/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
diff --git a/clic-shell/pom.xml b/clic-shell/pom.xml
index 7404ef2b..632c7156 100644
--- a/clic-shell/pom.xml
+++ b/clic-shell/pom.xml
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
     </dependencies>
     <build>
diff --git a/executable-operator/executable-graphchi/pom.xml b/executable-operator/executable-graphchi/pom.xml
index a93fb580..f23362b3 100644
--- a/executable-operator/executable-graphchi/pom.xml
+++ b/executable-operator/executable-graphchi/pom.xml
@@ -30,7 +30,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.13.2</version>
+            <version>2.15.0</version>
         </dependency>
     </dependencies>
 
diff --git a/framework/pom.xml b/framework/pom.xml
index 9990c919..3f7c0813 100644
--- a/framework/pom.xml
+++ b/framework/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.13.2</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.jgrapht</groupId>
diff --git a/pom.xml b/pom.xml
index 1a0ee073..096a143b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>