diff --git a/package.json b/package.json
index d0e6f0f..be019d5 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "react-pure-render": "^1.0.2",
     "remark": "^3.2.0",
     "remark-html": "^2.0.2",
-    "remark-slug": "^3.0.1",
+    "remark-slug": "^4.1.0",
     "unist-util-select": "^1.3.0",
     "unist-util-visit": "^1.0.0"
   },