diff --git a/gradle.properties b/gradle.properties
index 21dbd3ede..2161b9090 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -33,7 +33,7 @@ guavaVersion=33.5.0-jre
 mailVersion=5.0.2
 micronautVersion=4.10.7
 nimbusVersion=10.5
-pac4jVersion=6.2.2
+pac4jVersion=6.4.3
 ratVersion=0.8.1
 scribejavaVersion=8.3.3
 spyMemcachedVersion=2.12.3