diff --git a/Plan/build.gradle b/Plan/build.gradle
index c562cc10b..57e8ac572 100644
--- a/Plan/build.gradle
+++ b/Plan/build.gradle
@@ -80,7 +80,7 @@ subprojects {
         mysqlVersion = "8.0.28"
         sqliteVersion = "3.36.0.3"
         hikariVersion = "4.0.3"
-        slf4jVersion = "1.7.33"
+        slf4jVersion = "1.7.35"
         geoIpVersion = "2.16.1"
         gsonVersion = "2.8.9"
         bstatsVersion = "2.2.1"