diff --git a/package.json b/package.json
index feae6ca9748..0910a66d7a6 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "mousetrap": "^1.4.6",
     "name-all-modules-plugin": "^1.0.1",
     "pikaday": "^1.5.1",
-    "prismjs": "^1.6.0",
+    "prismjs": "^1.25.0",
     "raphael": "^2.2.7",
     "raven-js": "^3.14.0",
     "raw-loader": "^0.5.1",
diff --git a/yarn.lock b/yarn.lock
index de4a9ac4487..26b6c9f5d5e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -990,6 +990,13 @@ brace-expansion@^1.0.0:
     balanced-match "^0.4.1"
     concat-map "0.0.1"
 
+brace-expansion@^1.1.7:
+  version "1.1.11"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
+  dependencies:
+    balanced-match "^1.0.0"
+    concat-map "0.0.1"
+
 brace-expansion@^1.1.8:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
@@ -1221,14 +1228,6 @@ 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 "1.6.1"
-  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"
@@ -1761,10 +1760,6 @@ 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"
@@ -2771,12 +2766,6 @@ globby@^6.1.0:
     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"
-
 got@^3.2.0:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/got/-/got-3.3.1.tgz#e5d0ed4af55fc3eef4d56007769d98192bcb2eca"
@@ -4940,11 +4929,9 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-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@^1.25.0:
+  version "1.25.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.25.0.tgz#6f822df1bdad965734b310b315a23315cf999756"
 
 private@^0.1.6:
   version "0.1.7"
@@ -5436,10 +5423,6 @@ select2@3.5.2-browserify:
   version "3.5.2-browserify"
   resolved "https://registry.yarnpkg.com/select2/-/select2-3.5.2-browserify.tgz#dc4dafda38d67a734e8a97a46f0d3529ae05391d"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-
 selfsigned@^1.9.1:
   version "1.10.1"
   resolved "https://registry.yarnpkg.com/selfsigned/-/selfsigned-1.10.1.tgz#bf8cb7b83256c4551e31347c6311778db99eec52"
@@ -5979,10 +5962,6 @@ timers-browserify@^2.0.2:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-1.1.0.tgz#ab405a21ffed814a76c19739648093d70654fecb"
-
 tmp@0.0.31:
   version "0.0.31"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.31.tgz#8f38ab9438e17315e5dbd8b3657e8bfb277ae4a7"