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diff --git a/packages/tailwindcss-language-server/src/server.ts b/packages/tailwindcss-language-server/src/server.ts
index 6f31a61684ed6e378b58292ebf09bd0b53d06a1f..d981fddb15908e1416873fea6ffee10aef9b2269 100644
--- a/packages/tailwindcss-language-server/src/server.ts
+++ b/packages/tailwindcss-language-server/src/server.ts
@@ -767,6 +767,13 @@                 require(resolveFrom(configDir, 'tailwindcss/lib/jit/lib/expandApplyAtRules'))
                   .default
             ),
           },
+          evaluateTailwindFunctions: {
+            module: firstOptional(
+              () =>
+                require(resolveFrom(configDir, 'tailwindcss/lib/lib/evaluateTailwindFunctions'))
+                  .default
+            ),
+          },
         }
       } catch (_) {
         try {

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diff --git a/packages/tailwindcss-language-service/src/util/jit.ts b/packages/tailwindcss-language-service/src/util/jit.ts
index 40250d19b2bcc41c1a8fff0e5d2ae202c6620fc9..8ad7a309d7fffba86398963b3514c183673cc308 100644
--- a/packages/tailwindcss-language-service/src/util/jit.ts
+++ b/packages/tailwindcss-language-service/src/util/jit.ts
@@ -18,6 +18,7 @@     .sort(([a], [z]) => bigSign(a - z))
 
   let root = state.modules.postcss.module.root({ nodes: rules.map(([, rule]) => rule) })
   state.modules.jit.expandApplyAtRules.module(state.jitContext)(root)
+  state.modules.jit.evaluateTailwindFunctions?.module?.(state.jitContext)(root)
 
   let actualRules: Rule[] = []
   root.walkRules((subRule) => {

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diff --git a/packages/tailwindcss-language-service/src/util/state.ts b/packages/tailwindcss-language-service/src/util/state.ts
index 5b8153a0e4863056033142acc76b895baa2bc386..cc2c416c66506b6563aaf2f7d762fef274b8a46b 100644
--- a/packages/tailwindcss-language-service/src/util/state.ts
+++ b/packages/tailwindcss-language-service/src/util/state.ts
@@ -110,6 +110,7 @@     jit?: {
       generateRules: { module: any }
       createContext: { module: any }
       expandApplyAtRules: { module: any }
+      evaluateTailwindFunctions?: { module: any }
     }
   }
   browserslist?: string[]