diff --git a/requirements.txt b/requirements.txt
index 3523151..a7fb023 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ transaction==2.4.0
 translationstring==1.3
 ujson==2.0.3
 urllib3==1.24.2
-venusian==1.2.0
+venusian==3.0.0
 waitress==1.4.2
 WebOb==1.8.6
 zope.deprecation==4.4.0