diff --git a/db/schema.rb b/db/schema.rb
index 40a8cae..63b7ad7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -385,8 +385,8 @@
     t.string   "email",                  default: "", null: false
     t.string   "orcid_id"
     t.string   "shibboleth_id"
-    t.datetime "created_at"
-    t.datetime "updated_at"
+    t.datetime "created_at",                          null: false
+    t.datetime "updated_at",                          null: false
     t.string   "encrypted_password",     default: ""
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"