diff --git a/package.json b/package.json
index bbcca1c8..039284d0 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "eslint-plugin-markdown": "1.0.0",
     "eslint-plugin-mocha": "6.1.1",
     "js-gardener": "2.0.104",
-    "node-tdd": "2.5.14",
+    "node-tdd": "2.5.15",
     "nyc": "14.1.1",
     "semantic-release": "15.13.24"
   },
diff --git a/yarn.lock b/yarn.lock
index e95dadf7..47d753a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4597,13 +4597,13 @@ node-pre-gyp@^0.12.0:
     semver "^5.3.0"
     tar "^4"
 
-node-tdd@2.5.14:
-  version "2.5.14"
-  resolved "https://registry.yarnpkg.com/node-tdd/-/node-tdd-2.5.14.tgz#ebfd95591f0c106fa3843a702fbedee04ea914cf"
-  integrity sha512-y2JCe9JnV0X4HYpeR5yGKxm29polG+Gs/pUWLuQzLZbnbA4+JunOAWnTjn2e5c1UyxpZluBTV+eNEJA0RSsDjw==
+node-tdd@2.5.15:
+  version "2.5.15"
+  resolved "https://registry.yarnpkg.com/node-tdd/-/node-tdd-2.5.15.tgz#e42873c658867ab406626406e937d78b85610dc0"
+  integrity sha512-X73pJikJZDxB6Y3JixGX3PGbc40+0dgwy1Kz9Xh6HlJjfZHOXo0q54KiNEyDhyfFsd59AM/MkULvmqHdUP861Q==
   dependencies:
     callsites "3.1.0"
-    joi-strict "1.1.6"
+    joi-strict "1.1.7"
     lodash.get "4.4.2"
     nock "11.3.6"
     smart-fs "1.11.0"