diff --git a/cas-client-core/pom.xml b/cas-client-core/pom.xml
index db70ae2fa..7c7e99f19 100644
--- a/cas-client-core/pom.xml
+++ b/cas-client-core/pom.xml
@@ -97,8 +97,8 @@
         </dependency>
 
         <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
             <scope>test</scope>
         </dependency>
     </dependencies>
diff --git a/pom.xml b/pom.xml
index cc1780874..a0751cb50 100644
--- a/pom.xml
+++ b/pom.xml
@@ -172,8 +172,8 @@
             </dependency>
 
             <dependency>
-                <groupId>log4j</groupId>
-                <artifactId>log4j</artifactId>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-core</artifactId>
                 <scope>test</scope>
                 <version>${log4j.version}</version>
             </dependency>
@@ -253,7 +253,7 @@
         <jackson.version>2.18.2</jackson.version>
         <javax.servlet.version>6.1.0</javax.servlet.version>
         <commons.codec.version>1.18.0</commons.codec.version>
-        <log4j.version>1.2.17</log4j.version>
+        <log4j.version>2.24.3</log4j.version>
         <xmlsec.version>1.3.0</xmlsec.version>
         <bouncycastle.version>1.80</bouncycastle.version>
         <springboot.version>3.4.2</springboot.version>