diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index b7df85a..eee2ab6
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "marked": "^0.8.0",
     "material-ui-flat-pagination": "^4.1.0",
     "postinstall-postinstall": "^2.1.0",
-    "prismjs": "^1.19.0",
+    "prismjs": "^1.21.0",
     "prop-types": "^15.7.2",
     "react": "^16.13.1",
     "react-copy-to-clipboard": "^5.0.2",
diff --git a/yarn.lock b/yarn.lock
old mode 100755
new mode 100644
index 6f1077a..8393eea
--- a/yarn.lock
+++ b/yarn.lock
@@ -10531,10 +10531,10 @@ pretty-format@^25.1.0:
     ansi-styles "^4.0.0"
     react-is "^16.12.0"
 
-prismjs@^1.19.0:
-  version "1.19.0"
-  resolved "https://registry.npm.taobao.org/prismjs/download/prismjs-1.19.0.tgz?cache=0&sync_timestamp=1578923636917&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fprismjs%2Fdownload%2Fprismjs-1.19.0.tgz#713afbd45c3baca4b321569f2df39e17e729d4dc"
-  integrity sha1-cTr71Fw7rKSzIVafLfOeF+cp1Nw=
+prismjs@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
+  integrity sha512-uGdSIu1nk3kej2iZsLyDoJ7e9bnPzIgY0naW/HdknGj61zScaprVEVGHrPoXqI+M9sP0NDnTK2jpkvmldpuqDw==
   optionalDependencies:
     clipboard "^2.0.0"