diff --git a/package-lock.json b/package-lock.json
index 0cb6b91..62e839d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -58,7 +58,7 @@
         "gh-pages": "^3.1.0",
         "identity-obj-proxy": "^3.0.0",
         "jest": "^27.3.1",
-        "postcss": "^8.2.15",
+        "postcss": "^8.4.5",
         "prettier": "2.4.1",
         "tailwindcss": "^2.1.2",
         "ts-jest": "^27.0.7",
@@ -19057,13 +19057,13 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "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": "^0.6.2"
+        "source-map-js": "^1.0.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -22133,9 +22133,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug==",
+      "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==",
       "engines": {
         "node": ">=0.10.0"
       }
@@ -39714,13 +39714,13 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "8.3.11",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.11.tgz",
-      "integrity": "sha512-hCmlUAIlUiav8Xdqw3Io4LcpA1DOt7h3LSTAC4G6JGHFFaWzI6qvFt9oilvl8BmkbBRX1IhM90ZAmpk68zccQA==",
+      "version": "8.4.5",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.5.tgz",
+      "integrity": "sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==",
       "requires": {
         "nanoid": "^3.1.30",
         "picocolors": "^1.0.0",
-        "source-map-js": "^0.6.2"
+        "source-map-js": "^1.0.1"
       }
     },
     "postcss-calc": {
@@ -41974,9 +41974,9 @@
       "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g=="
     },
     "source-map-js": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-0.6.2.tgz",
-      "integrity": "sha512-/3GptzWzu0+0MBQFrDKzw/DvvMTUORvgY6k6jd/VS6iCR4RDTKWH6v6WPwQoUO8667uQEf9Oe38DxAYWY5F/Ug=="
+      "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-resolve": {
       "version": "0.6.0",
diff --git a/package.json b/package.json
index 0bf566a..e28d03b 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
     "gh-pages": "^3.1.0",
     "identity-obj-proxy": "^3.0.0",
     "jest": "^27.3.1",
-    "postcss": "^8.2.15",
+    "postcss": "^8.4.5",
     "prettier": "2.4.1",
     "tailwindcss": "^2.1.2",
     "ts-jest": "^27.0.7",