diff --git a/packages/treasury/package.json b/packages/treasury/package.json
index 7a312ad3995..fae01b46e3b 100644
--- a/packages/treasury/package.json
+++ b/packages/treasury/package.json
@@ -11,6 +11,7 @@
     "build": "yarn build:bundles",
     "build:bundles": "node scripts/build-bundles.js",
     "test": "ava",
+    "test:c8": "c8 $C8_OPTIONS ava --config=ava-nesm.config.js",
     "test:xs": "exit 0",
     "lint-fix": "yarn lint:eslint --fix && yarn lint:types",
     "lint-check": "yarn lint",
@@ -47,6 +48,7 @@
     "@agoric/babel-standalone": "^7.14.3",
     "@agoric/install-ses": "^0.5.21",
     "ava": "^3.12.1",
+    "c8": "^7.7.2",
     "import-meta-resolve": "^1.1.1",
     "ses": "^0.14.0"
   },