diff --git a/requirements.txt b/requirements.txt
index c142d14fe3aa22c3a5f660404c149326ed2d260b..ac291bb5640334a1719a5bdf535ce5ad8ba90c63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,4 +46,4 @@ urllib3==1.23
 uWSGI==2.0.17.1
 Werkzeug==0.14.1
 whitenoise==3.3.1
-WTForms==2.2.1
+WTForms==2.1