diff --git a/index.js b/index.js
index 7d3ce68..f3cd663 100644
--- a/index.js
+++ b/index.js
@@ -8,16 +8,16 @@ const analyze = async ({
   dir,
   tree,
   token,
-  pageSize: pageSize = 50,
-  concurrency: concurrency = 5,
-  onPkgs: onPkgs = () => {},
-  filter: filter = () => true,
+  pageSize = 50,
+  concurrency = 5,
+  onPkgs = () => {},
+  filter = () => true,
   url
 }) => {
   if (!tree) tree = await readUniversalTree(dir)
   const pkgs = filterPkgs(tree, filter)
   onPkgs(pkgs)
-  let data = new Set()
+  const data = new Set()
   const pages = splitSet(pkgs, pageSize)
   const batches = splitSet(pages, concurrency)
   for (const batch of batches) {
diff --git a/package.json b/package.json
index eb16eb3..4f92134 100644
--- a/package.json
+++ b/package.json
@@ -6,15 +6,17 @@
   "description": "Get certification data for a module's dependency tree",
   "scripts": {
     "test": "standard && npm run test:deps && node example.js",
-    "test:deps": "dependency-check . --quiet && dependency-check . --quiet --unused --no-dev"
+    "test:deps": "dependency-check . --quiet && dependency-check . --quiet --unused --no-dev",
+    "standard": "standard --verbose",
+    "standard-fix": "standard --fix"
   },
   "devDependencies": {
-    "dependency-check": "^3.2.1",
-    "standard": "^11.0.1"
+    "dependency-check": "^4.1.0",
+    "standard": "^16.0.3"
   },
   "dependencies": {
-    "graphql-request": "^1.8.2",
-    "semver": "^5.5.1",
-    "universal-module-tree": "^2.2.0"
+    "graphql-request": "^3.4.0",
+    "semver": "^7.3.4",
+    "universal-module-tree": "^4.0.0"
   }
 }