diff --git a/package.json b/package.json
index cce6ae7..7e1d979 100644
--- a/package.json
+++ b/package.json
@@ -168,6 +168,6 @@
   "devDependencies": {
     "aegir": "^37.5.1",
     "datastore-core": "^8.0.1",
-    "interface-blockstore-tests": "^4.0.0"
+    "interface-blockstore-tests": "^6.1.0"
   }
 }