diff --git a/fe/package-lock.json b/fe/package-lock.json
index cd9079c..3c36827 100644
--- a/fe/package-lock.json
+++ b/fe/package-lock.json
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-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/unquote/-/unquote-1.1.1.tgz",
-      "integrity": "sha1-j97XMk7G6IoP+LkF58CYzcCG1UQ=",
-      "dev": true
+    "update-browserslist-db": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.10.tgz",
+      "integrity": "sha512-OztqDenkfFkbSG+tRxBeAnCVPckDBcvibKd35yDONx6OU8N7sqgwc7rCbkJ/WcYtVRZ4ba68d6byhC21GFh7sQ==",
+      "dev": true,
+      "requires": {
+        "escalade": "^3.1.1",
+        "picocolors": "^1.0.0"
+      }
     },
     "update-check": {
       "version": "1.5.2",
@@ -3618,17 +2899,11 @@
         "punycode": "^2.1.0"
       }
     },
-    "util.promisify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.1.tgz",
-      "integrity": "sha512-g9JpC/3He3bm38zsLupWryXHoEcS22YHthuPQSJdMy6KNrzIRzWqcsHzD/WUnqe45whVou4VIsPew37DoXWNrA==",
-      "dev": true,
-      "requires": {
-        "define-properties": "^1.1.3",
-        "es-abstract": "^1.17.2",
-        "has-symbols": "^1.0.1",
-        "object.getownpropertydescriptors": "^2.1.0"
-      }
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "dev": true
     },
     "vary": {
       "version": "1.1.2",
@@ -3636,12 +2911,6 @@
       "integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=",
       "dev": true
     },
-    "vendors": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/vendors/-/vendors-1.0.4.tgz",
-      "integrity": "sha512-/juG65kTL4Cy2su4P8HjtkTxk6VmJDiOPBufWniqQ6wknac6jNiXS9vU+hO3wgusiyqWlzTbVHi0dyJqRONg3w==",
-      "dev": true
-    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -3671,6 +2940,12 @@
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
+    },
+    "yaml": {
+      "version": "1.10.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz",
+      "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==",
+      "dev": true
     }
   }
 }
diff --git a/fe/package.json b/fe/package.json
index 8c17e70..d62cf46 100644
--- a/fe/package.json
+++ b/fe/package.json
@@ -18,7 +18,7 @@
     "rollup": "^1.30.1",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-postcss": "^2.0.5",
+    "rollup-plugin-postcss": "^4.0.2",
     "rollup-plugin-svelte": "^5.1.1",
     "sass": "^1.26.2",
     "serve": "^11.3.0",