diff --git a/webdna-django-server/requirements.txt b/webdna-django-server/requirements.txt
index 9111030d..0ff4ae32 100644
--- a/webdna-django-server/requirements.txt
+++ b/webdna-django-server/requirements.txt
@@ -14,7 +14,7 @@ kombu==4.2.1
 numpy==1.14.5
 psycopg2-binary==2.7.5
 pycparser==2.18
-PyJWT==1.6.4
+PyJWT==2.4.0
 pytz==2018.5
 six==1.11.0
 vine==1.1.4