diff --git a/deployments/gradebook/config/common.yaml b/deployments/gradebook/config/common.yaml
index df50ff65e..1606d43f5 100644
--- a/deployments/gradebook/config/common.yaml
+++ b/deployments/gradebook/config/common.yaml
@@ -52,7 +52,7 @@ jupyterhub:
     # https://jupyterhub-kubespawner.readthedocs.io/en/latest/spawner.html#kubespawner.KubeSpawner.extra_containers
     extraContainers:
       - name: gradebook
-        image: gradebook/gradebook:sha-a9a7895
+        image: gradebook/gradebook:sha-721f235
         ports:
           - containerPort: 3839
         volumeMounts: