diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index cd270b0..5050673 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -26,7 +26,7 @@ jobs:
           npm install # reads info from package.js
 
       - name: Build
-        run: hugo --minify
+        run: hugo --minify --environment production # uses default config/_default/* files + merges with config/production ones
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
diff --git a/config/production/params.toml b/config/production/params.toml
new file mode 100644
index 0000000..f28853f
--- /dev/null
+++ b/config/production/params.toml
@@ -0,0 +1 @@
+env = "production"