diff --git a/package.json b/package.json
index 0d40162..05f3eb3 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "license": "MIT",
   "devDependencies": {
     "@nativescript/webpack": "^5.0.8",
-    "postcss": "8.4.16",
+    "postcss": "8.4.21",
     "tailwindcss": "^3.1.8"
   },
   "dependencies": {
diff --git a/yarn.lock b/yarn.lock
index 715b769..eb16b75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1696,11 +1696,6 @@ mz@^2.4.0:
     object-assign "^4.0.1"
     thenify-all "^1.0.0"
 
-nanoid@^3.1.30:
-  version "3.1.30"
-  resolved "https://registry.npmjs.org/nanoid/-/nanoid-3.1.30.tgz"
-  integrity sha512-zJpuPDwOv8D2zq2WRoMe1HsfZthVewpel9CAvTfc/2mBD1uUT/agc5f7GHGWXlYkFvi1mVxe4IjvP2HNrop7nQ==
-
 nanoid@^3.3.4:
   version "3.3.4"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
@@ -1962,10 +1957,10 @@ postcss-value-parser@^4.0.0, postcss-value-parser@^4.1.0, postcss-value-parser@^
   resolved "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz"
   integrity sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==
 
-postcss@8.4.16, postcss@^8.4.14:
-  version "8.4.16"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.16.tgz#33a1d675fac39941f5f445db0de4db2b6e01d43c"
-  integrity sha512-ipHE1XBvKzm5xI7hiHCZJCSugxvsdq2mPnsq5+UF+VHCjiBvtDrlxJfMBToWaP9D5XlgNmcFGqoHmUn0EYEaRQ==
+postcss@8.4.21, postcss@^8.0.0, postcss@^8.2.15, postcss@^8.4.14:
+  version "8.4.21"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.21.tgz#c639b719a57efc3187b13a1d765675485f4134f4"
+  integrity sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==
   dependencies:
     nanoid "^3.3.4"
     picocolors "^1.0.0"
@@ -1980,15 +1975,6 @@ postcss@^7.0.36:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.0.0, postcss@^8.2.15:
-  version "8.4.5"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz"
-  integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==
-  dependencies:
-    nanoid "^3.1.30"
-    picocolors "^1.0.0"
-    source-map-js "^1.0.1"
-
 prettier@^1.18.2:
   version "1.19.1"
   resolved "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz"
@@ -2214,11 +2200,6 @@ slash@^3.0.0:
   resolved "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz"
   integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
 
-source-map-js@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.1.tgz"
-  integrity sha512-4+TN2b3tqOCd/kaGRJ/sTYA0tR0mdXx26ipdolxcwtJVqEnqNYvlCAt1q3ypy4QMlYus+Zh34RNtYLoq2oQ4IA==
-
 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"