diff --git a/case 4.6.2 pac4j sample 380/pom.xml b/case 4.6.2 pac4j sample 380/pom.xml
index f23cfbfb..19e97378 100644
--- a/case 4.6.2 pac4j sample 380/pom.xml	
+++ b/case 4.6.2 pac4j sample 380/pom.xml	
@@ -15,7 +15,7 @@
     <description>Demo project for Spring Boot</description>
     <properties>
         <java.version>1.8</java.version>
-        <pac4j.version>3.8.0</pac4j.version>
+        <pac4j.version>4.5.5</pac4j.version>
     </properties>
     <dependencies>
         <dependency>