diff --git a/package.json b/package.json
index d8453fef..d701ec5a 100644
--- a/package.json
+++ b/package.json
@@ -74,6 +74,7 @@
     "@nuxtjs/vuetify": "^1.12.3",
     "less": "^4.1.1",
     "less-loader": "^7",
+    "minify-css-string": "^1.0.0",
     "prettier": "^2.3.0",
     "pug": "^3.0.2",
     "pug-plain-loader": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index eefa1b63..18703a5d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7106,6 +7106,11 @@ min-document@^2.19.0:
   dependencies:
     dom-walk "^0.1.0"
 
+minify-css-string@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/minify-css-string/-/minify-css-string-1.0.0.tgz#201bd949271e19f6e0af0a1dc0ccc583de47c630"
+  integrity sha1-IBvZSSceGfbgrwodwMzFg95HxjA=
+
 minimalistic-assert@^1.0.0, minimalistic-assert@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz#2e194de044626d4a10e7f7fbc00ce73e83e4d5c7"