diff --git a/package.json b/package.json
index caabc51b..dbbb8669 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "@types/web": "^0.0.93",
     "@vitest/coverage-istanbul": "^0.23.2",
     "domiso": "link:.",
-    "github-markdown-css": "^5.1.0",
+    "github-markdown-css": "^5.3.0",
     "jsdom": "^20.0.0",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 69a22a64..81fbe396 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,7 +15,7 @@ specifiers:
   '@types/web': ^0.0.93
   '@vitest/coverage-istanbul': ^0.23.2
   domiso: link:.
-  github-markdown-css: ^5.1.0
+  github-markdown-css: ^5.3.0
   jsdom: ^20.0.0
   react: ^18.2.0
   react-dom: ^18.2.0
@@ -42,7 +42,7 @@ devDependencies:
   '@types/web': 0.0.93
   '@vitest/coverage-istanbul': 0.23.2_7n5ywrz2nzgzuulc4kbcqjlb5e
   domiso: 'link:'
-  github-markdown-css: 5.1.0
+  github-markdown-css: 5.3.0
   jsdom: 20.0.0
   react: 18.2.0
   react-dom: 18.2.0_react@18.2.0
@@ -8632,8 +8632,9 @@ packages:
       through2: 4.0.2
     dev: true
 
-  /github-markdown-css/5.1.0:
-    resolution: {integrity: sha512-QLtORwHHtUHhPMHu7i4GKfP6Vx5CWZn+NKQXe+cBhslY1HEt0CTEkP4d/vSROKV0iIJSpl4UtlQ16AD8C6lMug==}
+  /github-markdown-css/5.3.0:
+    resolution: {integrity: sha512-WI+6puEQJnC8JoIveA8R8PiwH/wJwlneE88j7Q+ojMfzWcqRJF01vrVvo8PoWc6Y4aDF+kG4WGZi3RHXymyzJg==}
+    engines: {node: '>=10'}
     dev: true
 
   /github-slugger/1.4.0: