diff --git a/gradle.properties b/gradle.properties
index 063e0a7b1..0e7b8960a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -30,7 +30,7 @@ log4jVersion=2.14.1
 querzNbtVersion=6.1
 simpleYamlVersion=1.8.4
 slf4jVersion=2.0.1
-undertowVersion=2.3.5.Final
+undertowVersion=2.3.12.Final
 #xnioVersion=3.8.8.Final
 
 authors=["granny", "BillyGalbreath", "JLyne"]