diff --git a/webpack.config.mjs b/webpack.config.mjs
index a3593f0..1f24dab 100644
--- a/webpack.config.mjs
+++ b/webpack.config.mjs
@@ -71,7 +71,7 @@ function PurgeCssOptions(mode) {
     safelist: {
       standard: [
         /^callout-/, 'octicon'/* remark-github-blockquote-alert */,
-        'hljs', /^hljs-/, /^language-/,
+        /^hljs$|-/, /^language-/,
       ],
     },
     stdout: true,