diff --git a/requirements.txt b/requirements.txt
index 5cc07a4..18835b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ django-ranged-response==0.2.0
 django-registration==3.2
 django-reversion==4.0.1
 django-reversion-compare==0.14.1
-django-simple-captcha==0.5.14
+django-simple-captcha==0.5.20
 djangorestframework==3.13.1
 gitdb==4.0.9
 GitPython==3.1.37