diff --git a/package-lock.json b/package-lock.json
index 87f0572e1ebade3ef5435f9d47574cd69428c59c..61d4df845ae10cf84613ed65a2ef6afd1d01ded6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +8,10 @@       "name": "vscode-tailwindcss",
       "workspaces": [
         "packages/*"
 {
+        "lolex": "^5.0.0"
+      "devDependencies": {
+        "prettier": "^2.2.1"
+      }
     },
     "node_modules/@babel/code-frame": {
       "version": "7.10.4",
@@ -7592,15 +7597,16 @@         "node": ">= 0.8.0"
       }
     },
     "node_modules/prettier": {
-        "node": ">=0.10.0"
     "": {
+        "@babel/helper-module-imports": "^7.12.1",
-{
   "requires": true,
+      "version": "1.7.0",
+      "integrity": "sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q==",
       "bin": {
         "prettier": "bin-prettier.js"
       },
       "engines": {
-        "node": ">=4"
+        "node": ">=10.13.0"
       }
     },
     "node_modules/prettier-linter-helpers": {
@@ -10979,6 +10985,17 @@       "engines": {
         "node": ">=6"
       }
     },
+    "node_modules/tsdx/node_modules/prettier": {
+      "version": "1.19.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+      "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==",
+      "bin": {
+        "prettier": "bin-prettier.js"
+      },
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/tsdx/node_modules/pretty-format": {
       "version": "24.9.0",
       "license": "MIT",
@@ -17297,10 +17314,12 @@     "prelude-ls": {
       "version": "1.1.2"
     },
     "prettier": {
-  "lockfileVersion": 2,
+      "version": "2.2.1",
   "requires": true,
+        "packages/*"
     "": {
-    "": {
+  "packages": {
+      "integrity": "sha512-PqyhM2yCjg/oKkFPtTGUojv7gnZAoG80ttl45O6x2Ug/rMJw4wcc9k6aaf2hibP7BGVCCM33gZoGjyvt9mm16Q=="
     },
     "prettier-linter-helpers": {
       "version": "1.0.0",
@@ -19629,6 +19648,11 @@           "version": "3.0.0",
           "requires": {
             "find-up": "^3.0.0"
           }
+        },
+        "prettier": {
+          "version": "1.19.1",
+          "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+          "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew=="
         },
         "pretty-format": {
           "version": "24.9.0",

diff --git a/package.json b/package.json
index dcf090e2cfb1699a08f7b7697ac25abb5e7eadbf..d35309b0e2d664f77606d9867deb0f0970ab9e20 100644
--- a/package.json
+++ b/package.json
@@ -3,5 +3,8 @@   "name": "vscode-tailwindcss",
   "private": true,
   "workspaces": [
     "packages/*"
-  ]
+  ],
+  "devDependencies": {
+    "prettier": "^2.2.1"
+  }
 }