diff --git a/docs/package.json b/docs/package.json
index 8e08fa63..983549aa 100644
--- a/docs/package.json
+++ b/docs/package.json
@@ -54,7 +54,7 @@
     "postcss-clean": "1.1.0",
     "postcss-import": "11.1.0",
     "postcss-nested": "3.0.0",
-    "prettier": "1.16.1",
+    "prettier": "1.16.4",
     "pug": "2.0.3",
     "remark-cli": "5.0.0",
     "remark-frontmatter": "1.3.1",
diff --git a/docs/yarn.lock b/docs/yarn.lock
index 12676edd..21b53990 100644
--- a/docs/yarn.lock
+++ b/docs/yarn.lock
@@ -5751,10 +5751,10 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier@1.16.1:
-  version "1.16.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.1.tgz#534c2c9d7853f8845e5e078384e71973bd74089f"
-  integrity sha512-XXUITwIkGb3CPJ2hforHah/zTINRyie5006Jd2HKy2qz7snEJXl0KLfsJZW/wst9g6R2rFvqba3VpNYdu1hDcA==
+prettier@1.16.4:
+  version "1.16.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
+  integrity sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==
 
 pretty-hrtime@^1.0.3:
   version "1.0.3"
diff --git a/package.json b/package.json
index dceaee53..4e57610c 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "onchange": "4.1.0",
     "parallelshell": "3.0.2",
     "postcss-cli": "6.1.1",
-    "prettier": "1.16.1",
+    "prettier": "1.16.4",
     "pretty-bytes-cli": "2.0.0",
     "semver": "5.6.0",
     "sinon": "7.2.3",
diff --git a/yarn.lock b/yarn.lock
index 7dbefaa5..66995b28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7248,10 +7248,10 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier@1.16.1:
-  version "1.16.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.1.tgz#534c2c9d7853f8845e5e078384e71973bd74089f"
-  integrity sha512-XXUITwIkGb3CPJ2hforHah/zTINRyie5006Jd2HKy2qz7snEJXl0KLfsJZW/wst9g6R2rFvqba3VpNYdu1hDcA==
+prettier@1.16.4:
+  version "1.16.4"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
+  integrity sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==
 
 pretty-bytes-cli@2.0.0:
   version "2.0.0"