diff --git a/packages/tailwindcss-language-server/src/projects.ts b/packages/tailwindcss-language-server/src/projects.ts
index afc4515f..a8012920 100644
--- a/packages/tailwindcss-language-server/src/projects.ts
+++ b/packages/tailwindcss-language-server/src/projects.ts
@@ -1181,11 +1181,9 @@ export async function createProjectService(
       if (state.enabled) {
         refreshDiagnostics()
       }
-      if (settings.editor?.colorDecorators) {
-        updateCapabilities()
-      } else {
-        connection.sendNotification('@/tailwindCSS/clearColors')
-      }
+
+      updateCapabilities()
+      connection.sendNotification('@/tailwindCSS/clearColors')
     },
     onFileEvents,
     async onHover(params: TextDocumentPositionParams): Promise<Hover> {
diff --git a/packages/tailwindcss-language-server/src/tw.ts b/packages/tailwindcss-language-server/src/tw.ts
index fc6a87a8..48d7b5f7 100644
--- a/packages/tailwindcss-language-server/src/tw.ts
+++ b/packages/tailwindcss-language-server/src/tw.ts
@@ -33,6 +33,7 @@ import {
   DocumentLinkRequest,
   TextDocumentSyncKind,
   CodeLensRequest,
+  DidChangeConfigurationNotification,
 } from 'vscode-languageserver/node'
 import { URI } from 'vscode-uri'
 import normalizePath from 'normalize-path'
@@ -799,6 +800,7 @@ export class TW {
 
   private updateCapabilities() {
     if (!supportsDynamicRegistration(this.initializeParams)) {
+      this.connection.client.register(DidChangeConfigurationNotification.type, undefined)
       return
     }
 
@@ -810,12 +812,16 @@ export class TW {
 
     let capabilities = BulkRegistration.create()
 
+    // TODO: We should *not* be re-registering these capabilities
+    // IDEA: These should probably be static registrations up front
     capabilities.add(HoverRequest.type, { documentSelector: null })
     capabilities.add(DocumentColorRequest.type, { documentSelector: null })
     capabilities.add(CodeActionRequest.type, { documentSelector: null })
     capabilities.add(CodeLensRequest.type, { documentSelector: null })
     capabilities.add(DocumentLinkRequest.type, { documentSelector: null })
+    capabilities.add(DidChangeConfigurationNotification.type, undefined)
 
+    // TODO: Only re-register this if trigger characters change
     capabilities.add(CompletionRequest.type, {
       documentSelector: null,
       resolveProvider: true,
diff --git a/packages/vscode-tailwindcss/CHANGELOG.md b/packages/vscode-tailwindcss/CHANGELOG.md
index 468cdd08..fa2d07c3 100644
--- a/packages/vscode-tailwindcss/CHANGELOG.md
+++ b/packages/vscode-tailwindcss/CHANGELOG.md
@@ -6,6 +6,7 @@
 - v4: Make sure completions show after variants using arbitrary and bare values ([#1263](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1263))
 - v4: Add support for upcoming `@source not` feature ([#1262](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1262))
 - v4: Add support for upcoming `@source inline(…)` feature ([#1262](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1262))
+- LSP: Refresh internal caches when settings are updated ([#1273](https://github.com/tailwindlabs/tailwindcss-intellisense/pull/1273))
 
 # 0.14.9