diff --git a/cjs/index.js b/cjs/index.js
index f2885e6..039e170 100644
--- a/cjs/index.js
+++ b/cjs/index.js
@@ -4,6 +4,7 @@
 let runtimes = {
   node: [
     'nodejs14.x',
+    'nodejs16.x',
     'nodejs12.x',
   ],
   python: [
@@ -33,6 +34,13 @@ let runtimes = {
 }
 
 let runtimeVersions = {
+  'nodejs16.x': {
+    runtime:  'node',
+    major:    '16',
+    minor:    null,
+    patch:    null,
+    wildcard: '16.*.*'
+  },
   'nodejs14.x': {
     runtime:  'node',
     major:    '14',
diff --git a/package.json b/package.json
index c58d242..c1b3164 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "scripts": {
     "lint": "eslint . --fix",
     "test": "npm run lint && npm run test:unit",
-    "test:unit": "cross-env tape 'test/unit/**/*-test.js' | tap-spec",
+    "test:unit": "cross-env tape 'test/unit/**/*-test.js' | tap-arc",
     "rc": "npm version prerelease --preid RC"
   },
   "engines": {
@@ -26,9 +26,9 @@
   "devDependencies": {
     "@architect/eslint-config": "^2.0.1",
     "cross-env": "~7.0.3",
-    "eslint": "^8.2.0",
-    "tap-spec": "~5.0.0",
-    "tape": "~5.3.2"
+    "eslint": "^8.15.0",
+    "tap-arc": "~0.3.4",
+    "tape": "~5.5.3"
   },
   "eslintConfig": {
     "extends": "@architect/eslint-config"