diff --git a/pom.xml b/pom.xml
index 21fa4b11..9cdd78d0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
     <configuration-as-code.version>1836.vccda_4a_122a_a_e</configuration-as-code.version>
     <hpi.compatibleSinceVersion>4.383</hpi.compatibleSinceVersion>
     <!-- latest 5.x as 6 uses java 17 -->
-    <pac4jVersion>5.7.7</pac4jVersion>
+    <pac4jVersion>6.0.6</pac4jVersion>
   </properties>
 
   <dependencyManagement>