diff --git a/package.json b/package.json
index 88d044b..ec90f73 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
         "less-loader": "^5.0.0",
         "mini-css-extract-plugin": "^0.4.0",
         "pixelmatch": "^4.0.2",
-        "postcss": "^7.0.0",
+        "postcss": "^8.1.10",
         "postcss-loader": "^3.0.0",
         "react-hot-loader": "^4.7.1",
         "react-test-renderer": "^16.12.0",
diff --git a/yarn.lock b/yarn.lock
index 860b6c3..ca1c15c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2610,6 +2610,11 @@ color-name@1.1.3:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+colorette@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
+  integrity sha512-puCDz0CzydiSYOrnXpz/PKd69zRrribezjtE9yd4zvytoRc8+RY/KJPvtPFKZS3E3wP6neGyMe0vOTlHO5L3Pw==
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -6378,6 +6383,11 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
 
+nanoid@^3.1.18:
+  version "3.1.19"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.19.tgz#baf8331efb722320f7ea4ef367f056e8d965172d"
+  integrity sha512-giCapaolEGFzITf00P2rSIjWoY3aWS3bb7AzjnfFJH4EOaAPLtyUrr3C5nQ//x4v1wTcU1JgtBpOKPOqqHrakg==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -7297,6 +7307,16 @@ postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.2
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.1.10:
+  version "8.1.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.10.tgz#129834f94c720554d2cfdaeb27d5542ac4a026ea"
+  integrity sha512-iBXEV5VTTYaRRdxiFYzTtuv2lGMQBExqkZKSzkJe+Fl6rvQrA/49UVGKqB+LG54hpW/TtDBMGds8j33GFNW7pg==
+  dependencies:
+    colorette "^1.2.1"
+    nanoid "^3.1.18"
+    source-map "^0.6.1"
+    vfile-location "^3.2.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -9478,6 +9498,11 @@ vfile-location@^2.0.0:
   resolved "https://registry.yarnpkg.com/vfile-location/-/vfile-location-2.0.6.tgz#8a274f39411b8719ea5728802e10d9e0dff1519e"
   integrity sha512-sSFdyCP3G6Ka0CEmN83A2YCMKIieHx0EDaj5IDP4g1pa5ZJ4FJDvpO0WODLxo4LUX4oe52gmSCK7Jw4SBghqxA==
 
+vfile-location@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/vfile-location/-/vfile-location-3.2.0.tgz#d8e41fbcbd406063669ebf6c33d56ae8721d0f3c"
+  integrity sha512-aLEIZKv/oxuCDZ8lkJGhuhztf/BW4M+iHdCwglA/eWc+vtuRFJj8EtgceYFX4LRjOhCAAiNHsKGssC6onJ+jbA==
+
 vfile-message@*:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/vfile-message/-/vfile-message-2.0.2.tgz#75ba05090ec758fa8420f2c11ce049bcddd8cf3e"