diff --git a/gradle.properties b/gradle.properties
index 55ebe271cd..344d49cd04 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,6 +5,6 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx2g -Dfile.encoding=UTF-8
 
 kotlinVersion=1.6.10
-tomcatVersion=9.0.55
+tomcatVersion=9.0.56
 
 kotlin.stdlib.default.dependency=false