fix slf4j dependency
diff --git a/pom.xml b/pom.xml
index 7b0c799..25c0baa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,6 +85,7 @@
     <wicket.googlecode.version>9.12.0</wicket.googlecode.version>
     <version.ant>1.10.13</version.ant>
     <spring.security.version>6.1.1</spring.security.version>
+    <slf4j.impl.version>2.20.0</slf4j.impl.version>
     <javadoc.version>2.9.1</javadoc.version>
   </properties>
 
@@ -154,6 +155,12 @@
       <version>${spring.security.version}</version>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-slf4j2-impl</artifactId>
+      <version>${slf4j.impl.version}</version>
+    </dependency>
+
     <!--  ANT DEPENDENCIES FOR RUNNING ANT PLUG-IN FOR FORTRESS LOAD UTILITY  -->
     <dependency>
       <groupId>org.apache.ant</groupId>