diff --git a/images/hub/requirements.txt b/images/hub/requirements.txt
index c9a25c318b..84f2d43680 100644
--- a/images/hub/requirements.txt
+++ b/images/hub/requirements.txt
@@ -10,5 +10,5 @@ mwoauth==0.3.2
 globus_sdk[jwt]==1.2.1
 oauthenticator==0.7.2
 cryptography==2.0.3
-https://github.com/jupyterhub/kubespawner/archive/4d0221e.tar.gz
+https://github.com/jupyterhub/kubespawner/archive/f422420.tar.gz
 https://github.com/jupyterhub/ldapauthenticator/archive/1bb93f3.tar.gz