diff --git a/package.json b/package.json
index b787b85..3e9a81a 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "electron-pdf": "^20.0.0",
     "elm-json": "^0.2.12",
     "paper-css": "0.4.1",
-    "postcss": "8.4.14",
+    "postcss": "8.4.31",
     "reset-css": "5.0.1",
     "typeface-open-sans": "1.1.13"
   },
diff --git a/yarn.lock b/yarn.lock
index e6b4efa..f78e221 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4565,10 +4565,10 @@ nanocolors@^0.1.12:
   resolved "https://registry.yarnpkg.com/nanocolors/-/nanocolors-0.1.12.tgz#8577482c58cbd7b5bb1681db4cf48f11a87fd5f6"
   integrity sha512-2nMHqg1x5PU+unxX7PGY7AuYxl2qDx7PSrTRjizr8sxdd3l/3hBuWWaki62qmtYm2U5i4Z5E7GbjlyDFhs9/EQ==
 
-nanoid@^3.3.4:
-  version "3.3.4"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
-  integrity sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==
+nanoid@^3.3.6:
+  version "3.3.8"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.8.tgz#b1be3030bee36aaff18bacb375e5cce521684baf"
+  integrity sha512-WNLf5Sd8oZxOm+TzppcYk8gVOgP+l58xNy58D0nbUnOxOWRWvlcCV4kUF7ltmI6PsrLl/BgKEyS4mqsGChFN0w==
 
 natural-compare@^1.4.0:
   version "1.4.0"
@@ -5332,12 +5332,12 @@ postcss-value-parser@^4.2.0:
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz#723c09920836ba6d3e5af019f92bc0971c02e514"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.4.14:
-  version "8.4.14"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.14.tgz#ee9274d5622b4858c1007a74d76e42e56fd21caf"
-  integrity sha512-E398TUmfAYFPBSdzgeieK2Y1+1cpdxJx8yXbK/m57nRhKSmk1GB2tO4lbLBtlkfPQTDKfe4Xqv1ASWPpayPEig==
+postcss@8.4.31:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
-    nanoid "^3.3.4"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
     source-map-js "^1.0.2"