diff --git a/.github/workflows/build-site.yml b/.github/workflows/build-site.yml
index bc23a5e..cc24aea 100644
--- a/.github/workflows/build-site.yml
+++ b/.github/workflows/build-site.yml
@@ -32,7 +32,7 @@ jobs:
           npm install
       - name: Run Hugo
         run: |
-          hugo
+          hugo --environment production --minify
       - name: Deploy to gh-pages
         if: ${{ !env.ACT }}
         uses: rdarida/simple-github-pages-deploy-action@v1
diff --git a/postcss.config.js b/postcss.config.js
index d0a0b99..ecf2433 100644
--- a/postcss.config.js
+++ b/postcss.config.js
@@ -6,6 +6,8 @@ const purgecss = require("postcss-purgecss")({
   },
 });
 
-module.exports = {
-  plugins: [purgecss],
-};
+if (process.env.HUGO_ENVIRONMENT === 'production') {
+  module.exports = {
+    plugins: [purgecss],
+  };
+}