diff --git a/requirements.txt b/requirements.txt
index cf527ff..4b2a238 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ pytest-flask==0.14.0
 requests==2.21.0
 setuptools==40.6.3
 Unidecode==1.0.23
-webargs==4.1.3
+webargs==4.2.0
 Werkzeug==0.14.1
 PyYAML==4.2b4