diff --git a/package.json b/package.json
index cc907928ea..ba380a289f 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "css-lint-docs": "stylelint \"site/static/**/assets/scss/*.scss\" \"site/content/**/*.css\" --cache --cache-location .cache/.stylelintcache",
     "css-lint-vars": "fusv scss/ site/static/",
     "css-minify": "npm-run-all --parallel css-minify-*",
-    "css-minify-main": "cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap.min.css dist/css/bootstrap.css && cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap-grid.min.css dist/css/bootstrap-grid.css && cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap-reboot.min.css dist/css/bootstrap-reboot.css",
+    "css-minify-main": "cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap.min.css dist/css/bootstrap.css && cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap-grid.min.css dist/css/bootstrap-grid.css && cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap-utilities.min.css dist/css/bootstrap-utilities.css && cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output dist/css/bootstrap-reboot.min.css dist/css/bootstrap-reboot.css",
     "css-minify-docs": "cross-env-shell cleancss --level 1 --format breakWith=lf --source-map --source-map-inline-sources --output site/static/docs/$npm_package_version_short/assets/css/docs.min.css site/static/docs/$npm_package_version_short/assets/css/docs.min.css",
     "css-prefix": "npm-run-all --parallel css-prefix-*",
     "css-prefix-main": "postcss --config build/postcss.config.js --replace \"dist/css/*.css\" \"!dist/css/*.min.css\"",