diff --git a/requirements.txt b/requirements.txt
index a69dcac8b8..8f1f8292c1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ django-tagging==0.5.0
 django-modeltranslation==0.18.7
 django-cas-client==1.5.3
 ldap3==2.9
-django-simple-captcha==0.5.17
+django-simple-captcha==0.5.20
 urllib3==1.26.18
 elasticsearch==6.3.1
 djangorestframework==3.14.0