diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index e026ab2ae..9c8095f4d 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -14,7 +14,7 @@ object Dependencies {
   val scalaCssVersion = "1.0.0"
 
   val servletVersion = "4.0.1"
-  val avsCommonsVersion = "2.20.0"
+  val avsCommonsVersion = "2.21.0"
 
   val atmosphereJSVersion = "3.1.3"
   val atmosphereVersion = "2.7.15"