diff --git a/src/eea.corpus/requirements.txt b/src/eea.corpus/requirements.txt
index 16425f8..527f5f6 100644
--- a/src/eea.corpus/requirements.txt
+++ b/src/eea.corpus/requirements.txt
@@ -96,7 +96,7 @@ ujson==1.35
 Unidecode==1.0.22
 urllib3==1.22
 venusian==1.1.0
-waitress==1.0.2
+waitress==2.1.1
 wcwidth==0.1.7
 webencodings==0.5.1
 WebOb==1.7.3