diff --git a/packages/core/parcel-bundler/package.json b/packages/core/parcel-bundler/package.json
index 28e5186a279..e36d35ca457 100644
--- a/packages/core/parcel-bundler/package.json
+++ b/packages/core/parcel-bundler/package.json
@@ -27,6 +27,12 @@
     "@babel/template": "^7.0.0",
     "@babel/traverse": "^7.0.0",
     "@babel/types": "^7.0.0",
+    "@iarna/toml": "^2.2.0",
+    "@parcel/fs": "^1.10.3",
+    "@parcel/logger": "^1.10.3",
+    "@parcel/utils": "^1.10.3",
+    "@parcel/watcher": "1.10.3",
+    "@parcel/workers": "^1.10.3",
     "ansi-to-html": "^0.6.4",
     "babylon-walk": "^1.0.2",
     "browserslist": "^4.1.0",
@@ -64,15 +70,8 @@
     "serve-static": "^1.12.4",
     "source-map": "0.6.1",
     "terser": "^3.7.3",
-    "toml": "^2.3.3",
-    "tomlify-j0.4": "^3.0.0",
     "v8-compile-cache": "^2.0.0",
-    "ws": "^5.1.1",
-    "@parcel/watcher": "1.10.3",
-    "@parcel/workers": "^1.10.3",
-    "@parcel/logger": "^1.10.3",
-    "@parcel/utils": "^1.10.3",
-    "@parcel/fs": "^1.10.3"
+    "ws": "^5.1.1"
   },
   "devDependencies": {
     "@babel/cli": "^7.0.0",
@@ -80,6 +79,8 @@
     "@babel/plugin-syntax-export-namespace-from": "^7.0.0",
     "@babel/plugin-transform-runtime": "^7.0.0",
     "@babel/preset-flow": "^7.0.0",
+    "@parcel/babel-register": "^1.10.3",
+    "@parcel/test-utils": "^1.10.3",
     "@vue/component-compiler-utils": "^2.0.0",
     "babel-core": "^6.26.3",
     "babel-preset-env": "^1.7.0",
@@ -115,9 +116,7 @@
     "sugarss": "^2.0.0",
     "typescript": "^3.0.0",
     "vue": "^2.5.16",
-    "vue-template-compiler": "^2.5.16",
-    "@parcel/babel-register": "^1.10.3",
-    "@parcel/test-utils": "^1.10.3"
+    "vue-template-compiler": "^2.5.16"
   },
   "scripts": {
     "test": "cross-env NODE_ENV=test mocha",
diff --git a/packages/core/parcel-bundler/src/assets/RustAsset.js b/packages/core/parcel-bundler/src/assets/RustAsset.js
index cb73ac93e1c..25124b5c70f 100644
--- a/packages/core/parcel-bundler/src/assets/RustAsset.js
+++ b/packages/core/parcel-bundler/src/assets/RustAsset.js
@@ -3,7 +3,7 @@ const commandExists = require('command-exists');
 const childProcess = require('child_process');
 const {promisify} = require('@parcel/utils');
 const exec = promisify(childProcess.execFile);
-const tomlify = require('tomlify-j0.4');
+const toml = require('@iarna/toml');
 const fs = require('@parcel/fs');
 const Asset = require('../Asset');
 const config = require('../utils/config');
@@ -118,7 +118,7 @@ class RustAsset extends Asset {
       cargoConfig.lib['crate-type'].push('cdylib');
       await fs.writeFile(
         path.join(cargoDir, 'Cargo.toml'),
-        tomlify.toToml(cargoConfig)
+        toml.stringify(cargoConfig)
       );
     }
 
diff --git a/packages/core/parcel-bundler/src/assets/TOMLAsset.js b/packages/core/parcel-bundler/src/assets/TOMLAsset.js
index ce1d77e8058..711b5989c26 100644
--- a/packages/core/parcel-bundler/src/assets/TOMLAsset.js
+++ b/packages/core/parcel-bundler/src/assets/TOMLAsset.js
@@ -1,5 +1,5 @@
 const Asset = require('../Asset');
-const toml = require('toml');
+const toml = require('@iarna/toml');
 const serializeObject = require('../utils/serializeObject');
 
 class TOMLAsset extends Asset {
diff --git a/packages/core/parcel-bundler/src/utils/config.js b/packages/core/parcel-bundler/src/utils/config.js
index 56633d3cb6f..498d50faf88 100644
--- a/packages/core/parcel-bundler/src/utils/config.js
+++ b/packages/core/parcel-bundler/src/utils/config.js
@@ -4,7 +4,7 @@ const clone = require('clone');
 
 const PARSERS = {
   json: require('json5').parse,
-  toml: require('toml').parse
+  toml: require('@iarna/toml').parse
 };
 
 const existsCache = new Map();
diff --git a/yarn.lock b/yarn.lock
index 9cc95356657..72e03655fcb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -698,6 +698,11 @@
   dependencies:
     commander "^2.15.1"
 
+"@iarna/toml@^2.2.0":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@iarna/toml/-/toml-2.2.0.tgz#bd9295ad48ecfc5cf802610d2f06f8e4c462976a"
+  integrity sha512-ESqb7nwPdXRZ3AXVub1ToyeIf9bkXY4Cs21DSmr+ns705Dcz6KjB7gVXRxH93kwP8Vbx5Lg1dYewAIHmOTSg+A==
+
 "@lerna/add@^3.4.1":
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/@lerna/add/-/add-3.4.1.tgz#d41068317e30f530df48220d256b5e79690b1877"
@@ -10211,16 +10216,6 @@ token-stream@0.0.1:
   resolved "https://registry.yarnpkg.com/token-stream/-/token-stream-0.0.1.tgz#ceeefc717a76c4316f126d0b9dbaa55d7e7df01a"
   integrity sha1-zu78cXp2xDFvEm0LnbqlXX598Bo=
 
-toml@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/toml/-/toml-2.3.3.tgz#8d683d729577cb286231dfc7a8affe58d31728fb"
-  integrity sha512-O7L5hhSQHxuufWUdcTRPfuTh3phKfAZ/dqfxZFoxPCj2RYmpaSGLEIs016FCXItQwNr08yefUB5TSjzRYnajTA==
-
-tomlify-j0.4@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/tomlify-j0.4/-/tomlify-j0.4-3.0.0.tgz#99414d45268c3a3b8bf38be82145b7bba34b7473"
-  integrity sha512-2Ulkc8T7mXJ2l0W476YC/A209PR38Nw8PuaCNtk9uI3t1zzFdGQeWYGQvmj2PZkVvRC/Yoi4xQKMRnWc/N29tQ==
-
 tough-cookie@>=2.3.3, tough-cookie@~2.4.3:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.4.3.tgz#53f36da3f47783b0925afa06ff9f3b165280f781"