diff --git a/modules/distribution/pom.xml b/modules/distribution/pom.xml
index 21731b1d..e54dff87 100644
--- a/modules/distribution/pom.xml
+++ b/modules/distribution/pom.xml
@@ -171,7 +171,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.18.0</version>
+            <version>2.25.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/modules/rampart-integration/pom.xml b/modules/rampart-integration/pom.xml
index ed8fd165..f5092df8 100644
--- a/modules/rampart-integration/pom.xml
+++ b/modules/rampart-integration/pom.xml
@@ -590,7 +590,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.24.1</version>
+            <version>2.25.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/modules/rampart-samples/pom.xml b/modules/rampart-samples/pom.xml
index a957835e..b7aae90d 100644
--- a/modules/rampart-samples/pom.xml
+++ b/modules/rampart-samples/pom.xml
@@ -120,7 +120,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.24.1</version>
+            <version>2.25.3</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/modules/rampart-tests/pom.xml b/modules/rampart-tests/pom.xml
index 1dc10c3d..9fe67b7f 100644
--- a/modules/rampart-tests/pom.xml
+++ b/modules/rampart-tests/pom.xml
@@ -117,7 +117,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.24.1</version>
+            <version>2.25.3</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/modules/rampart-trust/pom.xml b/modules/rampart-trust/pom.xml
index 7228cd52..c209ffda 100644
--- a/modules/rampart-trust/pom.xml
+++ b/modules/rampart-trust/pom.xml
@@ -110,7 +110,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.24.1</version>
+            <version>2.25.3</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/pom.xml b/pom.xml
index d4ff2283..11820ab1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -702,7 +702,7 @@
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>
                 <artifactId>log4j-core</artifactId>
-                <version>2.24.1</version>
+                <version>2.25.3</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.logging.log4j</groupId>