diff --git a/clic-master/pom.xml b/clic-master/pom.xml
index 3cba79b7..9ed8d5c7 100644
--- a/clic-master/pom.xml
+++ b/clic-master/pom.xml
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/clic-shell/pom.xml b/clic-shell/pom.xml
index 7404ef2b..0b3b93e1 100644
--- a/clic-shell/pom.xml
+++ b/clic-shell/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/executable-operator/executable-graphchi/pom.xml b/executable-operator/executable-graphchi/pom.xml
index a93fb580..3670413f 100644
--- a/executable-operator/executable-graphchi/pom.xml
+++ b/executable-operator/executable-graphchi/pom.xml
@@ -25,7 +25,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.2</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/framework/pom.xml b/framework/pom.xml
index 9990c919..b15910e0 100644
--- a/framework/pom.xml
+++ b/framework/pom.xml
@@ -32,7 +32,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/pom.xml b/pom.xml
index 1a0ee073..6473604a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-api</artifactId>
-            <version>2.7</version>
+            <version>2.15.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>