diff --git a/package-lock.json b/package-lock.json
index 454d1131..0235db93 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3503,9 +3503,9 @@
       "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk="
     },
     "clipboard": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.1.tgz",
-      "integrity": "sha512-7yhQBmtN+uYZmfRjjVjKa0dZdWuabzpSKGtyQZN+9C8xlC788SSJjOHWh7tzurfwTqTD5UDYAhIv5fRJg3sHjQ==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/clipboard/-/clipboard-2.0.6.tgz",
+      "integrity": "sha512-g5zbiixBRk/wyKakSwCKd7vQXDjFnAMGHoEyBogG/bw9kTD9GvdAvaoRR1ALcEzt3pVKxZR0pViekPMIS0QyGg==",
       "optional": true,
       "requires": {
         "good-listener": "^1.2.2",
@@ -15227,9 +15227,9 @@
       }
     },
     "prismjs": {
-      "version": "1.15.0",
-      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.15.0.tgz",
-      "integrity": "sha512-Lf2JrFYx8FanHrjoV5oL8YHCclLQgbJcVZR+gikGGMqz6ub5QVWDTM6YIwm3BuPxM/LOV+rKns3LssXNLIf+DA==",
+      "version": "1.23.0",
+      "resolved": "https://registry.npmjs.org/prismjs/-/prismjs-1.23.0.tgz",
+      "integrity": "sha512-c29LVsqOaLbBHuIbsTxaKENh1N2EQBOHaWv7gkHN4dgRbxSREqDnDbtFJYdpPauS4YCplMSNCABQ6Eeor69bAA==",
       "requires": {
         "clipboard": "^2.0.0"
       }
@@ -18237,9 +18237,9 @@
       "integrity": "sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q="
     },
     "tiny-emitter": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.0.2.tgz",
-      "integrity": "sha512-2NM0auVBGft5tee/OxP4PI3d8WItkDM+fPnaRAVo6xTDI2knbz9eC5ArWGqtGlYqiH3RU5yMpdyTTO7MguC4ow==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/tiny-emitter/-/tiny-emitter-2.1.0.tgz",
+      "integrity": "sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==",
       "optional": true
     },
     "tinycolor2": {
diff --git a/package.json b/package.json
index 8b1ac459..02d27aea 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "gatsby-remark-prismjs": "^3.0.0",
     "gatsby-source-filesystem": "^2.0.1",
     "gatsby-transformer-remark": "^2.1.3",
-    "prismjs": "^1.15.0",
+    "prismjs": "^1.23.0",
     "react": "^16.5.2",
     "react-dom": "^16.5.2",
     "react-helmet": "^5.2.0"
diff --git a/yarn.lock b/yarn.lock
index 5dec1807..8b194bd3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6908,10 +6908,6 @@ lodash@^4.11.1, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.14, lodash@^4.17.4
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
 
-lodash@^4.17.14:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-
 logalot@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/logalot/-/logalot-2.1.0.tgz#5f8e8c90d304edf12530951a5554abb8c5e3f552"
@@ -8579,9 +8575,9 @@ pretty-error@^2.1.1:
     renderkid "^2.0.1"
     utila "~0.4"
 
-prismjs@^1.15.0:
-  version "1.15.0"
-  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.15.0.tgz#8801d332e472091ba8def94976c8877ad60398d9"
+prismjs@^1.23.0:
+  version "1.23.0"
+  resolved "https://registry.yarnpkg.com/prismjs/-/prismjs-1.23.0.tgz#d3b3967f7d72440690497652a9d40ff046067f33"
   optionalDependencies:
     clipboard "^2.0.0"