diff --git a/package-lock.json b/package-lock.json
index b69276a8..3afc9d20 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,6 +10,7 @@
       "license": "ISC",
       "devDependencies": {
         "autoprefixer": "^10.4.2",
+        "postcss": "^8.4.6",
         "postcss-cli": "^9.1.0"
       }
     },
@@ -521,7 +522,6 @@
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
       "integrity": "sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==",
       "dev": true,
-      "peer": true,
       "bin": {
         "nanoid": "bin/nanoid.cjs"
       },
@@ -594,7 +594,6 @@
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.6.tgz",
       "integrity": "sha512-OovjwIzs9Te46vlEx7+uXB0PLijpwjXGKXjVGGPIGubGpq7uh5Xgf6D6FiJ/SzJMBosHDp6a2hiXOS97iBXcaA==",
       "dev": true,
-      "peer": true,
       "dependencies": {
         "nanoid": "^3.2.0",
         "picocolors": "^1.0.0",
@@ -797,7 +796,6 @@
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
       "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
       "dev": true,
-      "peer": true,
       "engines": {
         "node": ">=0.10.0"
       }
@@ -1273,8 +1271,7 @@
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.1.tgz",
       "integrity": "sha512-n6Vs/3KGyxPQd6uO0eH4Bv0ojGSUvuLlIHtC3Y0kEO23YRge8H9x1GCzLn28YX0H66pMkxuaeESFq4tKISKwdw==",
-      "dev": true,
-      "peer": true
+      "dev": true
     },
     "node-releases": {
       "version": "2.0.2",
@@ -1323,7 +1320,6 @@
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.6.tgz",
       "integrity": "sha512-OovjwIzs9Te46vlEx7+uXB0PLijpwjXGKXjVGGPIGubGpq7uh5Xgf6D6FiJ/SzJMBosHDp6a2hiXOS97iBXcaA==",
       "dev": true,
-      "peer": true,
       "requires": {
         "nanoid": "^3.2.0",
         "picocolors": "^1.0.0",
@@ -1437,8 +1433,7 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
       "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
-      "dev": true,
-      "peer": true
+      "dev": true
     },
     "string-width": {
       "version": "4.2.3",
diff --git a/package.json b/package.json
index e3af2888..1f75ad3a 100644
--- a/package.json
+++ b/package.json
@@ -16,9 +16,9 @@
     "url": "https://github.com/google/docsy-example/issues"
   },
   "homepage": "https://github.com/google/docsy-example#readme",
-  "dependencies": {},
   "devDependencies": {
     "autoprefixer": "^10.4.2",
+    "postcss": "^8.4.6",
     "postcss-cli": "^9.1.0"
   }
 }