diff --git a/package.json b/package.json
index 76d838b..7e25690 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "license": "MIT",
   "dependencies": {
     "marked": "^0.3.6",
-    "prismjs": "^1.6.0"
+    "prismjs": "^1.24.0"
   },
   "devDependencies": {
     "babel-core": "^6.24.0",
diff --git a/yarn.lock b/yarn.lock
index 00a4de3..10d0309 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -915,14 +915,6 @@ cli@~1.0.0:
     exit "0.1.2"
     glob "^7.1.1"
 
-clipboard@^1.5.5:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/clipboard/-/clipboard-1.6.1.tgz#65c5b654812466b0faab82dc6ba0f1d2f8e4be53"
-  dependencies:
-    good-listener "^1.2.0"
-    select "^1.1.2"
-    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"
@@ -1322,10 +1314,6 @@ delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
 
-delegate@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.1.2.tgz#1e1bc6f5cadda6cb6cbf7e6d05d0bcdd5712aebe"
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -2051,12 +2039,6 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-good-listener@^1.2.0:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  dependencies:
-    delegate "^3.1.2"
-
 graceful-fs@^4.1.2:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -3510,11 +3492,9 @@ pretty-error@^2.0.2:
     renderkid "^2.0.1"
     utila "~0.4"
 
-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:
   version "0.1.7"
@@ -3899,10 +3879,6 @@ select-hose@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/select-hose/-/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-
 "semver@2 || 3 || 4 || 5", semver@^5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
@@ -4299,10 +4275,6 @@ timers-browserify@^2.0.2:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-1.2.0.tgz#6dc845052cb08ebefc1874723b58f24a648c3b6f"
-
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"