diff --git a/package.json b/package.json
index dd5cd362..a81aca97 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "disqusjs": "3.2.1",
     "gitalk": "1.8.0",
     "hexo-generator-searchdb": "1.5.0",
-    "katex": "0.16.9",
+    "katex": "0.18.3",
     "lozad": "1.16.0",
     "mathjax": "4.1.3",
     "medium-zoom": "1.1.0",