diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c2257cc373e..25edaad623a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Nothing yet!
 
+## [3.4.13] - 2024-09-23
+
+### Fixed
+
+- Improve source glob verification performance ([#14481](https://github.com/tailwindlabs/tailwindcss/pull/14481))
+
 ## [3.4.12] - 2024-09-17
 
 ### Fixed
@@ -2443,7 +2449,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.12...HEAD
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.13...HEAD
+[3.4.13]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.12...v3.4.13
 [3.4.12]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.11...v3.4.12
 [3.4.11]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.10...v3.4.11
 [3.4.10]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.9...v3.4.10
diff --git a/package-lock.json b/package-lock.json
index 3446253881fb..2c0c92cd36da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tailwindcss",
-  "version": "3.4.12",
+  "version": "3.4.13",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "tailwindcss",
-      "version": "3.4.12",
+      "version": "3.4.13",
       "license": "MIT",
       "dependencies": {
         "@alloc/quick-lru": "^5.2.0",
diff --git a/package.json b/package.json
index 556933bd3694..673e36db1e6c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tailwindcss",
-  "version": "3.4.12",
+  "version": "3.4.13",
   "description": "A utility-first CSS framework for rapidly building custom user interfaces.",
   "license": "MIT",
   "main": "lib/index.js",
diff --git a/src/lib/content.js b/src/lib/content.js
index 1a9d3c70e741..3e23f63c2e12 100644
--- a/src/lib/content.js
+++ b/src/lib/content.js
@@ -210,9 +210,22 @@ export function createBroadPatternCheck(paths) {
     return () => {}
   }
 
-  // All globs that explicitly contain any of the known large directories (e.g.:
-  // node_modules).
-  let explicitGlobs = paths.filter((path) => LARGE_DIRECTORIES_REGEX.test(path))
+  // All glob matchers
+  let matchers = []
+
+  // All glob matchers that explicitly contain any of the known large
+  // directories (e.g.: node_modules).
+  let explicitMatchers = []
+
+  // Create matchers for all paths
+  for (let path of paths) {
+    let matcher = micromatch.matcher(path)
+    if (LARGE_DIRECTORIES_REGEX.test(path)) {
+      explicitMatchers.push(matcher)
+    }
+
+    matchers.push(matcher)
+  }
 
   // Keep track of whether we already warned about the broad pattern issue or
   // not. The `log.warn` function already does something similar where we only
@@ -225,12 +238,13 @@ export function createBroadPatternCheck(paths) {
    */
   return (file) => {
     if (warned) return // Already warned about the broad pattern
-    if (micromatch.isMatch(file, explicitGlobs)) return // Explicitly included, so we can skip further checks
+    if (explicitMatchers.some((matcher) => matcher(file))) return // Explicitly included, so we can skip further checks
 
     // When a broad pattern is used, we have to double check that the file was
     // not explicitly included in the globs.
-    let matchingGlob = paths.find((path) => micromatch.isMatch(file, path))
-    if (!matchingGlob) return // This should never happen
+    let matchingGlobIndex = matchers.findIndex((matcher) => matcher(file))
+    if (matchingGlobIndex === -1) return // This should never happen
+    let matchingGlob = paths[matchingGlobIndex]
 
     // Create relative paths to make the output a bit more readable.
     let relativeMatchingGlob = path.relative(process.cwd(), matchingGlob)