diff --git a/yarn.lock b/yarn.lock
index 8881762..ce7cac0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1538,14 +1538,6 @@ cli-width@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.2.0.tgz#ff19ede8a9a5e579324147b0c11f0fbcbabed639"
 
-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"
-    tiny-emitter "^2.0.0"
-
 clipboardy@^1.2.2:
   version "1.2.3"
   resolved "https://registry.yarnpkg.com/clipboardy/-/clipboardy-1.2.3.tgz#0526361bf78724c1f20be248d428e365433c07ef"
@@ -2047,10 +2039,6 @@ del@^2.0.2:
     pinkie-promise "^2.0.0"
     rimraf "^2.2.8"
 
-delegate@^3.1.2:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/delegate/-/delegate-3.2.0.tgz#b66b71c3158522e8ab5744f720d8ca0c2af59166"
-
 delegates@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
@@ -2796,12 +2784,6 @@ globby@^8.0.1:
     pify "^3.0.0"
     slash "^1.0.0"
 
-good-listener@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/good-listener/-/good-listener-1.2.2.tgz#d53b30cdf9313dffb7dc9a0d477096aa6d145c50"
-  dependencies:
-    delegate "^3.1.2"
-
 got@^6.7.1:
   version "6.7.1"
   resolved "https://registry.yarnpkg.com/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
@@ -4856,10 +4838,8 @@ pretty-time@^1.0.0:
     nanoseconds "^1.0.0"
 
 prismjs@^1.13.0:
-  version "1.21.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.21.0.tgz#36c086ec36b45319ec4218ee164c110f9fc015a3"
-  optionalDependencies:
-    clipboard "^2.0.0"
+  version "1.25.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.25.0.tgz#6f822df1bdad965734b310b315a23315cf999756"
 
 private@^0.1.6:
   version "0.1.8"
@@ -5306,10 +5286,6 @@ section-matter@^1.0.0:
     extend-shallow "^2.0.1"
     kind-of "^6.0.0"
 
-select@^1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/select/-/select-1.1.2.tgz#0e7350acdec80b1108528786ec1d4418d11b396d"
-
 semver-diff@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/semver-diff/-/semver-diff-2.1.0.tgz#4bbb8437c8d37e4b0cf1a68fd726ec6d645d6d36"
@@ -5742,10 +5718,6 @@ timers-browserify@^2.0.4:
   dependencies:
     setimmediate "^1.0.4"
 
-tiny-emitter@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
-
 tmp@^0.0.33:
   version "0.0.33"
   resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"