diff --git a/web/package-lock.json b/web/package-lock.json
index 4caa3ddd..660c3a02 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -20,7 +20,7 @@
                 "markdown-it": "^14.1.1",
                 "markdown-it-texmath": "^1.0.0",
                 "marked": "^15.0.4",
-                "postcss": "^8.5.14",
+                "postcss": "^8.5.18",
                 "prismjs": "^1.30.0",
                 "vue": "^3.4.21",
                 "vue-echarts": "^7.0.3",
@@ -3891,9 +3891,9 @@
             "license": "MIT"
         },
         "node_modules/nanoid": {
-            "version": "3.3.11",
-            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
-            "integrity": "sha512-N8SpfPUnUp1bK+PMYW8qSWdl9U+wwNWI4QKxOYDy9JAro3WMX7p2OeVRF9v+347pnakNevPmiHhNmZ2HbFA76w==",
+            "version": "3.3.16",
+            "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.16.tgz",
+            "integrity": "sha512-bzlKTyNJ7+LdGIIwy8ijFpIqEQIvafahV7eYykJ8Cvh42EdJeODoJ6gUJXpQJvej1BddH8OqTXZNE/KfbWAu8Q==",
             "funding": [
                 {
                     "type": "github",
@@ -4090,9 +4090,9 @@
             }
         },
         "node_modules/postcss": {
-            "version": "8.5.14",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.14.tgz",
-            "integrity": "sha512-SoSL4+OSEtR99LHFZQiJLkT59C5B1amGO1NzTwj7TT1qCUgUO6hxOvzkOYxD+vMrXBM3XJIKzokoERdqQq/Zmg==",
+            "version": "8.5.18",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.18.tgz",
+            "integrity": "sha512-xdB1oSLHbz1vRWgCDalrCqEFTWzFlhqFC5tIHLMOSUIjhm3XXQ1qrFy8S/ESr1JYRRXqM3c1QFiMZUJdUTqyMQ==",
             "funding": [
                 {
                     "type": "opencollective",
@@ -4109,7 +4109,7 @@
             ],
             "license": "MIT",
             "dependencies": {
-                "nanoid": "^3.3.11",
+                "nanoid": "^3.3.12",
                 "picocolors": "^1.1.1",
                 "source-map-js": "^1.2.1"
             },
diff --git a/web/package.json b/web/package.json
index a90f8bdf..5a6d0408 100644
--- a/web/package.json
+++ b/web/package.json
@@ -29,7 +29,7 @@
         "markdown-it": "^14.1.1",
         "markdown-it-texmath": "^1.0.0",
         "marked": "^15.0.4",
-        "postcss": "^8.5.14",
+        "postcss": "^8.5.18",
         "prismjs": "^1.30.0",
         "vue": "^3.4.21",
         "vue-echarts": "^7.0.3",