diff --git a/requirements.txt b/requirements.txt
index 9d23b091..f94af119 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ django-treebeard==4.7.1
 django-pagetree==1.5.0
 django-pageblocks==1.3.0  # pyup: <2.0.0
 django-quizblock==1.3.2
-django-simple-captcha==0.5.20
+django-simple-captcha==0.6.1
 gunicorn==23.0.0
 s3transfer==0.11.1
 jmespath==1.0.1