diff --git a/shopping/package-lock.json b/shopping/package-lock.json
index d75f581..2cf6cfd 100644
--- a/shopping/package-lock.json
+++ b/shopping/package-lock.json
@@ -13041,6 +13041,12 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "picocolors": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.0.0.tgz",
+      "integrity": "sha512-1fygroTLlHu66zi26VoTDv8yRgm0Fccecssto+MhsZ0D/DGW2sm8E8AjW7NU5VVTRt5GxbeZ5qBuJr+HyLYkjQ==",
+      "dev": true
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -13110,20 +13116,20 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "8.2.8",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.2.8.tgz",
-      "integrity": "sha512-1F0Xb2T21xET7oQV9eKuctbM9S7BC0fetoHCc4H13z0PT6haiRLP4T0ZY4XWh7iLP0usgqykT6p9B2RtOf4FPw==",
+      "version": "8.4.21",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.21.tgz",
+      "integrity": "sha512-tP7u/Sn/dVxK2NnruI4H9BG+x+Wxz6oeZ1cJ8P6G/PZY0IKk4k/63TDsQf2kQq3+qoJeLm2kIBUNlZe3zgb4Zg==",
       "dev": true,
       "requires": {
-        "colorette": "^1.2.2",
-        "nanoid": "^3.1.20",
-        "source-map": "^0.6.1"
+        "nanoid": "^3.3.4",
+        "picocolors": "^1.0.0",
+        "source-map-js": "^1.0.2"
       },
       "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+        "nanoid": {
+          "version": "3.3.4",
+          "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.4.tgz",
+          "integrity": "sha512-MqBkQh/OHTS2egovRtLk45wEyNXwF+cokD+1YPf9u5VfJiRdAiRwB2froX5Co9Rh20xs4siNPm8naNotSD6RBw==",
           "dev": true
         }
       }
@@ -17079,6 +17085,12 @@
       "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w="
     },
+    "source-map-js": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.0.2.tgz",
+      "integrity": "sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==",
+      "dev": true
+    },
     "source-map-resolve": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/source-map-resolve/-/source-map-resolve-0.5.3.tgz",
diff --git a/shopping/package.json b/shopping/package.json
index 203764f..91bc676 100644
--- a/shopping/package.json
+++ b/shopping/package.json
@@ -30,7 +30,7 @@
     "babel-jest": "^26.6.3",
     "jest": "^26.6.3",
     "jest-junit": "^12.0.0",
-    "postcss": "^8.2.8",
+    "postcss": "^8.4.21",
     "vue-jest": "^3.0.4"
   }
 }