diff --git a/api/requirements.txt b/api/requirements.txt
index 3004340..1549db3 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -16,6 +16,6 @@ py==1.4.34
 pytest==3.1.3
 requests==2.18.1
 uritemplate==3.0.0
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12.2
 whitenoise==3.3.0