diff --git a/node_modules/concordance/package.json b/node_modules/concordance/package.json
index 6c89014465..7f0c19cbae 100644
--- a/node_modules/concordance/package.json
+++ b/node_modules/concordance/package.json
@@ -38,13 +38,13 @@
     "well-known-symbols": "^2.0.0"
   },
   "devDependencies": {
-    "@novemberborn/as-i-preach": "^10.0.1",
-    "ava": "1.0.0-beta.8",
+    "@novemberborn/as-i-preach": "^11.0.0",
+    "ava": "4.0.0",
     "benchmark": "^2.1.3",
     "chalk": "^2.4.1",
     "codecov": "^3.1.0",
     "lodash.isequal": "^4.5.0",
-    "nyc": "^13.0.1",
+    "nyc": "^15.0.0",
     "pretty-format": "^23.6.0"
   },
   "as-i-preach": {