diff --git a/package.json b/package.json
index aa8f9edc..c1831245 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "disqusjs": "3.1.0",
     "gitalk": "1.8.0",
     "hexo-generator-searchdb": "1.5.0",
-    "katex": "0.16.9",
+    "katex": "0.18.1",
     "lozad": "1.16.0",
     "mathjax": "3.2.2",
     "medium-zoom": "1.1.0",