diff --git a/happy/requirements.txt b/happy/requirements.txt
index c519490..3f14dac 100644
--- a/happy/requirements.txt
+++ b/happy/requirements.txt
@@ -36,6 +36,6 @@ requests==2.19.1
 requests-oauthlib==1.0.0
 s3transfer==0.1.13
 six==1.11.0
-urllib3==1.23
+urllib3==1.26.5
 Werkzeug==0.15.3
 whitenoise==3.3.1