diff --git a/build.gradle b/build.gradle
index eebc5a330..4c81b4f8a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,7 +42,7 @@ bootJar {
 ext {
     commonsLang3 = "3.12.0"
     base62 = "0.1.3"
-    pf4j = '3.8.0'
+    pf4j = '3.9.0'
     javaDiffUtils = "4.12"
     guava = "31.1-jre"
     jsoup = '1.15.3'