diff --git a/package.json b/package.json
index a347f5d..464f44d 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "lodash": "^4.17.14",
     "mobx": "^4",
     "node-sass": "^4.11.0",
-    "prismjs": "^1.15.0",
+    "prismjs": "^1.21.0",
     "promise-polyfill": "^8.1.0",
     "prop-types": "^15.7.2",
     "react": "^16.7.0",
diff --git a/yarn.lock b/yarn.lock
index 15c783d..36b0051 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -8575,10 +8575,10 @@ pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@^1.15.0:
-  version "1.15.0"
-  resolved "http://registry.npm.taobao.org/prismjs/download/prismjs-1.15.0.tgz#8801d332e472091ba8def94976c8877ad60398d9"
-  integrity sha1-iAHTMuRyCRuo3vlJdsiHetYDmNk=
+prismjs@^1.15.0, prismjs@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.npm.taobao.org/prismjs/download/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
+  integrity sha1-NsCG7Da0UxnsQhjuFkwRD5/AFaM=
   optionalDependencies:
     clipboard "^2.0.0"