diff --git a/CHANGELOG.md b/CHANGELOG.md
index 092845db0..3641da5e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- Nothing yet!
+
+## [3.4.19] - 2025-12-10
+
 ### Fixed
 
 - Don’t break `sibling-*()` functions when used inside `calc(…)` ([#19335](https://github.com/tailwindlabs/tailwindcss/pull/19335))
@@ -2489,7 +2493,8 @@ No release notes
 
 - Everything!
 
-[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.18...v3
+[unreleased]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.19...v3
+[3.4.19]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.18...v3.4.19
 [3.4.18]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.17...v3.4.18
 [3.4.17]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.16...v3.4.17
 [3.4.16]: https://github.com/tailwindlabs/tailwindcss/compare/v3.4.15...v3.4.16
diff --git a/package-lock.json b/package-lock.json
index e7429880c..f23c75a82 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tailwindcss",
-  "version": "3.4.18",
+  "version": "3.4.19",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "tailwindcss",
-      "version": "3.4.18",
+      "version": "3.4.19",
       "license": "MIT",
       "dependencies": {
         "@alloc/quick-lru": "^5.2.0",
diff --git a/package.json b/package.json
index a78dde289..f363c69ef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tailwindcss",
-  "version": "3.4.18",
+  "version": "3.4.19",
   "description": "A utility-first CSS framework for rapidly building custom user interfaces.",
   "license": "MIT",
   "main": "lib/index.js",
diff --git a/standalone-cli/package-lock.json b/standalone-cli/package-lock.json
index fa03c4072..4e4a0258d 100644
--- a/standalone-cli/package-lock.json
+++ b/standalone-cli/package-lock.json
@@ -26,7 +26,7 @@
     },
     "..": {
       "name": "tailwindcss",
-      "version": "3.4.18",
+      "version": "3.4.19",
       "dev": true,
       "license": "MIT",
       "dependencies": {