diff --git a/packages/config/package.json b/packages/config/package.json
index 7031adb3aa..9a870b8ac9 100644
--- a/packages/config/package.json
+++ b/packages/config/package.json
@@ -33,7 +33,7 @@
     "@pnpm/types": "3.2.0",
     "@zkochan/npm-conf": "1.2.4",
     "camelcase": "5.3.1",
-    "find-up": "3.0.0",
+    "find-up": "4.0.0",
     "which": "1.3.1"
   },
   "devDependencies": {
diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index aaa177f978..bef81e7fe1 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -101,9 +101,11 @@ export default async (
 
   const workspaceManifestLocation = cliArgs['global'] // tslint:disable-line
     ? null
-    : await findUp(WORKSPACE_MANIFEST_FILENAME, {
-      cwd: cliArgs['prefix'] || process.cwd(), // tslint:disable-line
-    })
+    : (
+      await findUp(WORKSPACE_MANIFEST_FILENAME, {
+        cwd: cliArgs['prefix'] || process.cwd(), // tslint:disable-line
+      }) || null
+    )
   const npmConfig = loadNpmConf(cliArgs, types, {
     'bail': true,
     'depth': command[command.length - 1] === 'list' ? 0 : Infinity,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f1e331c9da..d86535e523 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -53,7 +53,7 @@ importers:
       '@pnpm/types': 'link:../types'
       '@zkochan/npm-conf': 1.2.4
       camelcase: 5.3.1
-      find-up: 3.0.0
+      find-up: 4.0.0
       which: 1.3.1
     devDependencies:
       '@pnpm/config': 'link:'
@@ -73,7 +73,7 @@ importers:
       '@types/which': 1.3.1
       '@zkochan/npm-conf': 1.2.4
       camelcase: 5.3.1
-      find-up: 3.0.0
+      find-up: 4.0.0
       mz: 2.7.0
       rimraf: 2.6.3
       tape: 4.10.1
@@ -4696,6 +4696,14 @@ packages:
       node: '>=6'
     resolution:
       integrity: sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==
+  /find-up/4.0.0:
+    dependencies:
+      locate-path: 5.0.0
+    dev: false
+    engines:
+      node: '>=8'
+    resolution:
+      integrity: sha512-zoH7ZWPkRdgwYCDVoQTzqjG8JSPANhtvLhh4KVUHyKnaUJJrNeFmWIkTcNuJmR3GLMEmGYEf2S2bjgx26JTF+Q==
   /findup/0.1.5:
     dependencies:
       colors: 0.6.2
@@ -5959,6 +5967,14 @@ packages:
       node: '>=6'
     resolution:
       integrity: sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==
+  /locate-path/5.0.0:
+    dependencies:
+      p-locate: 4.1.0
+    dev: false
+    engines:
+      node: '>=8'
+    resolution:
+      integrity: sha512-t7hw9pI+WvuwNJXwk5zVHpyhIqzg2qTlklJOf0mVxGSbe3Fp2VieZcduNYjaLDoy6p9uGpQEGWG87WpMKlNq8g==
   /lockfile/1.0.4:
     dependencies:
       signal-exit: 3.0.2
@@ -6912,6 +6928,14 @@ packages:
       node: '>=6'
     resolution:
       integrity: sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==
+  /p-locate/4.1.0:
+    dependencies:
+      p-limit: 2.2.0
+    dev: false
+    engines:
+      node: '>=8'
+    resolution:
+      integrity: sha512-R79ZZ/0wAxKGu3oYMlz8jy/kbhsNrS7SKZ7PxEHBgJ5+F2mtFW2fK2cOtBh1cHYkQsbzFV7I+EoRKe6Yt0oK7A==
   /p-map/2.1.0:
     dev: false
     engines:
diff --git a/typings/local.d.ts b/typings/local.d.ts
index 013e8656ea..003da51d6e 100644
--- a/typings/local.d.ts
+++ b/typings/local.d.ts
@@ -73,11 +73,6 @@ declare module 'anonymous-npm-registry-client' {
   export = anything;
 }
 
-declare module 'find-up' {
-  const anything: any;
-  export = anything;
-}
-
 declare module 'exists-link' {
   const anything: any;
   export = anything;