diff --git a/package.json b/package.json
index e5166f2..c6deca2 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "eslint-config-prettier": "8.6.0",
     "eslint-plugin-prettier": "4.2.1",
     "lazysizes": "5.3.2",
-    "postcss": "8.4.5",
+    "postcss": "8.4.31",
     "postcss-cli": "10.1.0",
     "prettier": "2.0.2",
     "sass": "1.46.0",
diff --git a/yarn.lock b/yarn.lock
index 1cc32d2..39c8294 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -97,6 +97,11 @@
     "@babel/helper-validator-identifier" "^7.16.7"
     to-fast-properties "^2.0.0"
 
+"@canonical/cookie-policy@3.4.0":
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/@canonical/cookie-policy/-/cookie-policy-3.4.0.tgz#0d6708da340df5867fd2cc9dbd95538c46f20cf8"
+  integrity sha512-cdVqxQmGu+j+Q86UobihWWVFzGzHlekFeMFxlbRpm+yqxEOUCrLkA9/t/RsMfLNDToP2ECPgsMbS20aPlA2tIg==
+
 "@canonical/cookie-policy@3.6.4":
   version "3.6.4"
   resolved "https://registry.yarnpkg.com/@canonical/cookie-policy/-/cookie-policy-3.6.4.tgz#895c3770f621b73d88b0d5843c43a32d99e4a462"
@@ -2277,11 +2282,16 @@ ms@2.1.2:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
 
-nanoid@^3.1.30, nanoid@^3.3.4:
+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 "3.3.7"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.7.tgz#d0c301a691bc8d54efa0a2226ccf3fe2fd656bd8"
+  integrity sha512-eSRppjcPIatRIMC1U6UngP8XFcz8MQWGQdt1MTBQ7NaAmvXDfvNxbvWV3x2y6CdEUciCSsDHDQZbhYaB8QEo2g==
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -2560,14 +2570,14 @@ postcss@8.4.21:
     picocolors "^1.0.0"
     source-map-js "^1.0.2"
 
-postcss@8.4.5:
-  version "8.4.5"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.5.tgz#bae665764dfd4c6fcc24dc0fdf7e7aa00cc77f95"
-  integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==
+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 "^3.1.30"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
-    source-map-js "^1.0.1"
+    source-map-js "^1.0.2"
 
 postcss@^8.3.11, postcss@^8.4.19:
   version "8.4.20"
@@ -2874,7 +2884,7 @@ slice-ansi@^4.0.0:
     astral-regex "^2.0.0"
     is-fullwidth-code-point "^3.0.0"
 
-"source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.0.1, source-map-js@^1.0.2:
+"source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/source-map-js/-/source-map-js-1.0.2.tgz#adbc361d9c62df380125e7f161f71c826f1e490c"
   integrity sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==