diff --git a/package.json b/package.json
index ddd62917b..093dc26aa 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@vuepress/plugin-register-components": "2.0.0-rc.52",
     "@vuepress/plugin-revealjs": "^2.0.0-rc.52",
     "markdown-it": "14.1.0",
-    "sass": "1.79.4",
+    "sass": "1.81.1",
     "vue": "3.5.11",
     "vuepress": "2.0.0-rc.17",
     "vuepress-theme-hope": "2.0.0-rc.58"
diff --git a/yarn.lock b/yarn.lock
index 34f235320..1b090f1ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2396,6 +2396,150 @@ __metadata:
   languageName: node
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+  version: 2.5.0
+  resolution: "@parcel/watcher-android-arm64@npm:2.5.0"
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+  resolution: "@parcel/watcher-darwin-arm64@npm:2.5.0"
+  conditions: os=darwin & cpu=arm64
+  languageName: node
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+  resolution: "@parcel/watcher-darwin-x64@npm:2.5.0"
+  conditions: os=darwin & cpu=x64
+  languageName: node
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+  resolution: "@parcel/watcher-freebsd-x64@npm:2.5.0"
+  conditions: os=freebsd & cpu=x64
+  languageName: node
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+  resolution: "@parcel/watcher-linux-arm-glibc@npm:2.5.0"
+  conditions: os=linux & cpu=arm & libc=glibc
+  languageName: node
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+  resolution: "@parcel/watcher-linux-arm-musl@npm:2.5.0"
+  conditions: os=linux & cpu=arm & libc=musl
+  languageName: node
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+  resolution: "@parcel/watcher-linux-arm64-glibc@npm:2.5.0"
+  conditions: os=linux & cpu=arm64 & libc=glibc
+  languageName: node
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+  conditions: os=linux & cpu=arm64 & libc=musl
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+  conditions: os=linux & cpu=x64 & libc=glibc
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+  conditions: os=linux & cpu=x64 & libc=musl
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+  resolution: "@parcel/watcher-win32-arm64@npm:2.5.0"
+  conditions: os=win32 & cpu=arm64
+  languageName: node
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+  resolution: "@parcel/watcher-win32-ia32@npm:2.5.0"
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+  resolution: "@parcel/watcher-win32-x64@npm:2.5.0"
+  conditions: os=win32 & cpu=x64
+  languageName: node
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+    "@parcel/watcher-darwin-arm64": "npm:2.5.0"
+    "@parcel/watcher-darwin-x64": "npm:2.5.0"
+    "@parcel/watcher-freebsd-x64": "npm:2.5.0"
+    "@parcel/watcher-linux-arm-glibc": "npm:2.5.0"
+    "@parcel/watcher-linux-arm-musl": "npm:2.5.0"
+    "@parcel/watcher-linux-arm64-glibc": "npm:2.5.0"
+    "@parcel/watcher-linux-arm64-musl": "npm:2.5.0"
+    "@parcel/watcher-linux-x64-glibc": "npm:2.5.0"
+    "@parcel/watcher-linux-x64-musl": "npm:2.5.0"
+    "@parcel/watcher-win32-arm64": "npm:2.5.0"
+    "@parcel/watcher-win32-ia32": "npm:2.5.0"
+    "@parcel/watcher-win32-x64": "npm:2.5.0"
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+    micromatch: "npm:^4.0.5"
+    node-addon-api: "npm:^7.0.0"
+    node-gyp: "npm:latest"
+  dependenciesMeta:
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+      optional: true
+    "@parcel/watcher-darwin-arm64":
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+    "@parcel/watcher-darwin-x64":
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+    "@parcel/watcher-freebsd-x64":
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+    "@parcel/watcher-linux-arm-glibc":
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+    "@parcel/watcher-linux-x64-glibc":
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+    "@parcel/watcher-linux-x64-musl":
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+    "@parcel/watcher-win32-arm64":
+      optional: true
+    "@parcel/watcher-win32-ia32":
+      optional: true
+    "@parcel/watcher-win32-x64":
+      optional: true
+  checksum: 10c0/9bad727d8b11e5d150ec47459254544c583adaa47d047b8ef65e1c74aede1a0767dc7fc6b8997649dae07318d6ef39caba6a1c405d306398d5bcd47074ec5d29
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+
 "@pkgjs/parseargs@npm:^0.11.0":
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@@ -4002,6 +4146,15 @@ __metadata:
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+  resolution: "braces@npm:3.0.3"
+  dependencies:
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+  checksum: 10c0/7c6dfd30c338d2997ba77500539227b9d1f85e388a5f43220865201e407e076783d0881f2d297b9f80951b4c957fcf0b51c1d2d24227631643c3f7c284b0aa04
+  languageName: node
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+
 "browserslist@npm:^4.22.2, browserslist@npm:^4.23.0":
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   resolution: "browserslist@npm:4.23.0"
@@ -4500,6 +4653,15 @@ __metadata:
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   linkType: hard
 
+"detect-libc@npm:^1.0.3":
+  version: 1.0.3
+  resolution: "detect-libc@npm:1.0.3"
+  bin:
+    detect-libc: ./bin/detect-libc.js
+  checksum: 10c0/4da0deae9f69e13bc37a0902d78bf7169480004b1fed3c19722d56cff578d16f0e11633b7fbf5fb6249181236c72e90024cbd68f0b9558ae06e281f47326d50d
+  languageName: node
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+
 "devlop@npm:^1.0.0":
   version: 1.1.0
   resolution: "devlop@npm:1.1.0"
@@ -4995,6 +5157,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fill-range@npm:^7.1.1":
+  version: 7.1.1
+  resolution: "fill-range@npm:7.1.1"
+  dependencies:
+    to-regex-range: "npm:^5.0.1"
+  checksum: 10c0/b75b691bbe065472f38824f694c2f7449d7f5004aa950426a2c28f0306c60db9b880c0b0e4ed819997ffb882d1da02cfcfc819bddc94d71627f5269682edf018
+  languageName: node
+  linkType: hard
+
 "find-up@npm:^4.1.0":
   version: 4.1.0
   resolution: "find-up@npm:4.1.0"
@@ -5471,10 +5642,10 @@ __metadata:
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-  resolution: "immutable@npm:4.3.5"
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+"immutable@npm:^5.0.2":
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+  resolution: "immutable@npm:5.0.3"
+  checksum: 10c0/3269827789e1026cd25c2ea97f0b2c19be852ffd49eda1b674b20178f73d84fa8d945ad6f5ac5bc4545c2b4170af9f6e1f77129bc1cae7974a4bf9b04a9cdfb9
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@@ -5632,7 +5803,7 @@ __metadata:
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   dependencies:
@@ -6221,6 +6392,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"micromatch@npm:^4.0.5":
+  version: 4.0.8
+  resolution: "micromatch@npm:4.0.8"
+  dependencies:
+    braces: "npm:^3.0.3"
+    picomatch: "npm:^2.3.1"
+  checksum: 10c0/166fa6eb926b9553f32ef81f5f531d27b4ce7da60e5baf8c021d043b27a388fb95e46a8038d5045877881e673f8134122b59624d5cecbd16eb50a42e7a6b5ca8
+  languageName: node
+  linkType: hard
+
 "mimic-function@npm:^5.0.0":
   version: 5.0.1
   resolution: "mimic-function@npm:5.0.1"
@@ -6394,6 +6575,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"node-addon-api@npm:^7.0.0":
+  version: 7.1.1
+  resolution: "node-addon-api@npm:7.1.1"
+  dependencies:
+    node-gyp: "npm:latest"
+  checksum: 10c0/fb32a206276d608037fa1bcd7e9921e177fe992fc610d098aa3128baca3c0050fc1e014fa007e9b3874cf865ddb4f5bd9f43ccb7cbbbe4efaff6a83e920b17e9
+  languageName: node
+  linkType: hard
+
 "node-gyp@npm:latest":
   version: 10.1.0
   resolution: "node-gyp@npm:10.1.0"
@@ -6826,7 +7016,7 @@ __metadata:
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     "@vuepress/plugin-revealjs": "npm:^2.0.0-rc.52"
     markdown-it: "npm:14.1.0"
-    sass: "npm:1.79.4"
+    sass: "npm:1.81.1"
     vue: "npm:3.5.11"
     vuepress: "npm:2.0.0-rc.17"
     vuepress-theme-hope: "npm:2.0.0-rc.58"
@@ -7183,16 +7373,20 @@ __metadata:
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   linkType: hard
 
-"sass@npm:1.79.4":
-  version: 1.79.4
-  resolution: "sass@npm:1.79.4"
+"sass@npm:1.81.1":
+  version: 1.81.1
+  resolution: "sass@npm:1.81.1"
   dependencies:
+    "@parcel/watcher": "npm:^2.4.1"
     chokidar: "npm:^4.0.0"
-    immutable: "npm:^4.0.0"
+    immutable: "npm:^5.0.2"
     source-map-js: "npm:>=0.6.2 <2.0.0"
+  dependenciesMeta:
+    "@parcel/watcher":
+      optional: true
   bin:
     sass: sass.js
-  checksum: 10c0/505ff0d9267d0fb990971e617acfeabf7c060c55d4cef68fe8a4bc693e7ea88ae7d7caeca3975e4b453459ba4a707b6e5b6979fc9395a7e08f0a43ca6aed06b8
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