diff --git a/examples/custom-build/package.json b/examples/custom-build/package.json
index e6f33f2..2986830 100644
--- a/examples/custom-build/package.json
+++ b/examples/custom-build/package.json
@@ -7,7 +7,7 @@
     "@nuxtjs/axios": "^4.3.0",
     "nuxt": "latest",
     "nuxtent": "latest",
-    "prismjs": "^1.8.1"
+    "prismjs": "^1.21.0"
   },
   "scripts": {
     "dev": "nuxt",
diff --git a/examples/custom-build/yarn.lock b/examples/custom-build/yarn.lock
index e341e06..c726094 100644
--- a/examples/custom-build/yarn.lock
+++ b/examples/custom-build/yarn.lock
@@ -1089,9 +1089,9 @@ cli-width@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
 
-clipboard@^1.5.5:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-1.7.1.tgz#360d6d6946e99a7a1fef395e42ba92b5e9b5a16b"
+clipboard@^2.0.0:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-2.0.6.tgz#52921296eec0fdf77ead1749421b21c968647376"
   dependencies:
     good-listener "^1.2.2"
     select "^1.1.2"
@@ -3872,11 +3872,11 @@ pretty-error@^2.0.2, pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@^1.8.1:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.8.1.tgz#bd0cdc32e9a561c1c8c3c9733765a7f1ec3b54ee"
+prismjs@^1.21.0:
+  version "1.21.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
   optionalDependencies:
-    clipboard "^1.5.5"
+    clipboard "^2.0.0"
 
 private@^0.1.6, private@^0.1.7:
   version "0.1.7"