diff --git a/ca/testdata/ca.json b/ca/testdata/ca.json
index f29f24c6..b094c02e 100644
--- a/ca/testdata/ca.json
+++ b/ca/testdata/ca.json
@@ -18,6 +18,7 @@
         ]
     },
     "authority": {
+        "backdate": "0s",
         "provisioners": [
             {
                 "name": "max",