diff --git a/website/package.json b/website/package.json
index c328972b45..eb145886d4 100644
--- a/website/package.json
+++ b/website/package.json
@@ -53,7 +53,7 @@
   },
   "dependencies": {
     "@blueprintjs/core": "^1.0.1",
-    "prismjs": "^1.6.0",
+    "prismjs": "^1.24.0",
     "react": "~15.3.2",
     "react-addons-css-transition-group": "~15.3.2",
     "react-dom": "~15.3.2",
diff --git a/website/yarn.lock b/website/yarn.lock
index a8d660d5bb..0ec7f172e1 100644
--- a/website/yarn.lock
+++ b/website/yarn.lock
@@ -1389,14 +1389,6 @@ cli-width@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
 
-clipboard@^1.5.5:
-  version "1.5.16"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-1.5.16.tgz#916d5e739b0064be61b0b48a535731ecaef3d367"
-  dependencies:
-    good-listener "^1.2.0"
-    select "^1.0.6"
-    tiny-emitter "^1.0.0"
-
 cliui@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
@@ -1906,10 +1898,6 @@ delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
 
-delegate@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.1.1.tgz#22a0e3ea8776c7f89e02d5950942ef9cdfd019cf"
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -2800,12 +2788,6 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-good-listener@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.1.tgz#4c5b4681a3e8c91b00f1cb12d89a23b32473547b"
-  dependencies:
-    delegate "^3.1.1"
-
 got@^5.0.0:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/got/-/got-5.7.1.tgz#5f81635a61e4a6589f180569ea4e381680a51f35"
@@ -4862,11 +4844,9 @@ pretty-format@~4.2.1:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-4.2.3.tgz#8894c2ac81419cf801629d8f66320a25380d8b05"
 
-prismjs@^1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.6.0.tgz#118d95fb7a66dba2272e343b345f5236659db365"
-  optionalDependencies:
-    clipboard "^1.5.5"
+prismjs@^1.24.0:
+  version "1.24.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.24.0.tgz#0409c30068a6c52c89ef7f1089b3ca4de56be2ac"
 
 private@^0.1.6, private@~0.1.5:
   version "0.1.7"
@@ -5349,10 +5329,6 @@ seek-bzip@^1.0.5:
   dependencies:
     commander "~2.8.1"
 
-select@^1.0.6:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.0.tgz#a6c520cd9ab919ad81c7d1a273e0452f504dd7a2"
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -5812,10 +5788,6 @@ timers-browserify@^1.0.1:
   dependencies:
     process "~0.11.0"
 
-tiny-emitter@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-1.1.0.tgz#ab405a21ffed814a76c19739648093d70654fecb"
-
 tmp-promise@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/tmp-promise/-/tmp-promise-1.0.3.tgz#3b450927ab78c6aedca5e628c677f536cae38bc5"