diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f64cfa03..af79a008 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,7 @@ on:
 jobs:
   tests:
     strategy:
+      fail-fast: false
       matrix:
         node: [18, 20, 22, 23]
         os: [ubuntu-latest, macos-latest, windows-latest]
diff --git a/packages/tailwindcss-language-server/package.json b/packages/tailwindcss-language-server/package.json
index d31549e7..8059ce0d 100644
--- a/packages/tailwindcss-language-server/package.json
+++ b/packages/tailwindcss-language-server/package.json
@@ -90,12 +90,12 @@
     "typescript": "5.3.3",
     "vite-tsconfig-paths": "^4.3.1",
     "vitest": "^3.0.9",
-    "vscode-css-languageservice": "6.2.9",
+    "vscode-css-languageservice": "6.3.3",
     "vscode-jsonrpc": "8.2.0",
     "vscode-languageclient": "8.1.0",
     "vscode-languageserver": "8.1.0",
     "vscode-languageserver-protocol": "^3.17.5",
-    "vscode-languageserver-textdocument": "1.0.11",
+    "vscode-languageserver-textdocument": "1.0.12",
     "vscode-uri": "3.0.2"
   },
   "engines": {
diff --git a/packages/tailwindcss-language-server/tests/env/v4.test.js b/packages/tailwindcss-language-server/tests/env/v4.test.js
index f57a45dc..2a6af3da 100644
--- a/packages/tailwindcss-language-server/tests/env/v4.test.js
+++ b/packages/tailwindcss-language-server/tests/env/v4.test.js
@@ -650,6 +650,11 @@ defineTest({
 })
 
 defineTest({
+  // This test sometimes takes a really long time on Windows because… Windows.
+  options: {
+    timeout: 30_000,
+  },
+
   name: 'v3: Presets with a `#` in the name are loadable',
   fs: {
     'package.json': json`
diff --git a/packages/tailwindcss-language-service/package.json b/packages/tailwindcss-language-service/package.json
index 40ddba77..c77a08c7 100644
--- a/packages/tailwindcss-language-service/package.json
+++ b/packages/tailwindcss-language-service/package.json
@@ -37,7 +37,7 @@
     "tmp-cache": "1.1.0",
     "vscode-emmet-helper-bundled": "0.0.1",
     "vscode-languageserver": "8.1.0",
-    "vscode-languageserver-textdocument": "1.0.11"
+    "vscode-languageserver-textdocument": "1.0.12"
   },
   "devDependencies": {
     "@types/braces": "3.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ab264604..071263e7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -201,8 +201,8 @@ importers:
         specifier: ^3.0.9
         version: 3.0.9(@types/node@18.19.43)
       vscode-css-languageservice:
-        specifier: 6.2.9
-        version: 6.2.9
+        specifier: 6.3.3
+        version: 6.3.3
       vscode-jsonrpc:
         specifier: 8.2.0
         version: 8.2.0
@@ -216,8 +216,8 @@ importers:
         specifier: ^3.17.5
         version: 3.17.5
       vscode-languageserver-textdocument:
-        specifier: 1.0.11
-        version: 1.0.11
+        specifier: 1.0.12
+        version: 1.0.12
       vscode-uri:
         specifier: 3.0.2
         version: 3.0.2
@@ -297,8 +297,8 @@ importers:
         specifier: 8.1.0
         version: 8.1.0
       vscode-languageserver-textdocument:
-        specifier: 1.0.11
-        version: 1.0.11
+        specifier: 1.0.12
+        version: 1.0.12
     devDependencies:
       '@types/braces':
         specifier: 3.0.1
@@ -1070,8 +1070,8 @@ packages:
   '@vitest/utils@3.0.9':
     resolution: {integrity: sha512-ilHM5fHhZ89MCp5aAaM9uhfl1c2JdxVxl3McqsdVyVNN6JffnEen8UMCdRTzOhGXNQGo5GNL9QugHrz727Wnng==}
 
-  '@vscode/l10n@0.0.16':
-    resolution: {integrity: sha512-JT5CvrIYYCrmB+dCana8sUqJEcGB1ZDXNLMQ2+42bW995WmNoenijWMUdZfwmuQUTQcEVVIa2OecZzTYWUW9Cg==}
+  '@vscode/l10n@0.0.18':
+    resolution: {integrity: sha512-KYSIHVmslkaCDyw013pphY+d7x1qV8IZupYfeIfzNA+nsaWHbn5uPuQRvdRFsa9zFzGeudPuoGoZ1Op4jrJXIQ==}
 
   '@vscode/vsce@2.21.1':
     resolution: {integrity: sha512-f45/aT+HTubfCU2oC7IaWnH9NjOWp668ML002QiFObFRVUCoLtcwepp9mmql/ArFUy+HCHp54Xrq4koTcOD6TA==}
@@ -2654,8 +2654,8 @@ packages:
       jsdom:
         optional: true
 
-  vscode-css-languageservice@6.2.9:
-    resolution: {integrity: sha512-9MsOvAi+VycKomQ7KEq4o/hLtjHHrtRLLl8lM9nMcH8cxfNI7/6jVXmsV/7pdbDWu9L3DZhsspN1eMXZwiOymw==}
+  vscode-css-languageservice@6.3.3:
+    resolution: {integrity: sha512-xXa+ftMPv6JxRgzkvPwZuDCafIdwDW3kyijGcfij1a2qBVScr2qli6MfgJzYm/AMYdbHq9I/4hdpKV0Thim2EA==}
 
   vscode-emmet-helper-bundled@0.0.1:
     resolution: {integrity: sha512-EhZ0Wt8MbdrKF3NUMfaUDhFPTdRnl1tyqYS7KOcNtsSNTV285IV+XPDtNQyw5rwYsULEfb6n+fK1DRufJQlPYw==}
@@ -2689,8 +2689,8 @@ packages:
   vscode-languageserver-protocol@3.17.5:
     resolution: {integrity: sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==}
 
-  vscode-languageserver-textdocument@1.0.11:
-    resolution: {integrity: sha512-X+8T3GoiwTVlJbicx/sIAF+yuJAqz8VvwJyoMVhwEMoEKE/fkDmrqUgDMyBECcM2A2frVZIUj5HI/ErRXCfOeA==}
+  vscode-languageserver-textdocument@1.0.12:
+    resolution: {integrity: sha512-cxWNPesCnQCcMPeenjKKsOCKQZ/L6Tv19DTRIGuLWe32lyzWhihGVJ/rcckZXJxfdKCFvRLS3fpBIsV/ZGX4zA==}
 
   vscode-languageserver-types@3.17.2:
     resolution: {integrity: sha512-zHhCWatviizPIq9B7Vh9uvrH6x3sK8itC84HkamnBWoDFJtzBf7SWlpLCZUit72b3os45h6RWQNC9xHRDF8dRA==}
@@ -3260,7 +3260,7 @@ snapshots:
       loupe: 3.1.3
       tinyrainbow: 2.0.0
 
-  '@vscode/l10n@0.0.16': {}
+  '@vscode/l10n@0.0.18': {}
 
   '@vscode/vsce@2.21.1':
     dependencies:
@@ -4900,11 +4900,11 @@ snapshots:
       - supports-color
       - terser
 
-  vscode-css-languageservice@6.2.9:
+  vscode-css-languageservice@6.3.3:
     dependencies:
-      '@vscode/l10n': 0.0.16
-      vscode-languageserver-textdocument: 1.0.11
-      vscode-languageserver-types: 3.17.3
+      '@vscode/l10n': 0.0.18
+      vscode-languageserver-textdocument: 1.0.12
+      vscode-languageserver-types: 3.17.5
       vscode-uri: 3.0.8
 
   vscode-emmet-helper-bundled@0.0.1: {}
@@ -4942,7 +4942,7 @@ snapshots:
       vscode-jsonrpc: 8.2.0
       vscode-languageserver-types: 3.17.5
 
-  vscode-languageserver-textdocument@1.0.11: {}
+  vscode-languageserver-textdocument@1.0.12: {}
 
   vscode-languageserver-types@3.17.2: {}