diff --git a/requirements.txt b/requirements.txt
index c9a2d78..9f2880f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ SQLAlchemy==1.3.4
 toml==0.10.0
 typed-ast==1.4.0
 wcwidth==0.1.7
-webargs==5.3.1
+webargs==5.5.3
 Werkzeug==0.15.4
 wrapt==1.11.1
 zipp==0.5.1