diff --git a/package-lock.json b/package-lock.json
index e891e21..74e586a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
         "@types/react": "^18.0.20",
         "astro": "^1.1.7",
         "fuse.js": "^6.6.2",
+        "github-slugger": "^1.4.0",
         "remark-collapse": "^0.1.2",
         "remark-toc": "^8.0.1"
       },
diff --git a/package.json b/package.json
index e51b235..2084a11 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,7 @@
     "@types/react": "^18.0.20",
     "astro": "^1.1.7",
     "fuse.js": "^6.6.2",
+    "github-slugger": "^1.4.0",
     "remark-collapse": "^0.1.2",
     "remark-toc": "^8.0.1"
   },