diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index ddfa3e3..8032c17 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.11.1"
+  ".": "0.12.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 824e466..ebe6226 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [0.12.0](https://github.com/eslint/css/compare/css-v0.11.1...css-v0.12.0) (2025-10-06)
+
+
+### Features
+
+* add support for `getLocFromIndex` and `getIndexFromLoc` ([#167](https://github.com/eslint/css/issues/167)) ([3baeacf](https://github.com/eslint/css/commit/3baeacfe806a39763bbb63106a2fd750d2e407a1))
+
+
+### Bug Fixes
+
+* correct location reporting for `!important` in `no-important` rule ([#286](https://github.com/eslint/css/issues/286)) ([33ea905](https://github.com/eslint/css/commit/33ea9056be5946894be35616cb95662ec6aad4b2))
+* correct the return type of `applyInlineConfig` ([#281](https://github.com/eslint/css/issues/281)) ([386f42a](https://github.com/eslint/css/commit/386f42a1f40c1abb59090d48750d18ffe72917fe))
+* handle all CSS newline types in `CSSSourceCode` ([#275](https://github.com/eslint/css/issues/275)) ([2d0eec6](https://github.com/eslint/css/commit/2d0eec6ae06bd8561ed27d5912066278f763ad01))
+* handle all CSS newlines in rules ([#280](https://github.com/eslint/css/issues/280)) ([ed0c0f1](https://github.com/eslint/css/commit/ed0c0f135540781439bd12216583f5cd7d1ff0e4))
+* no-invalid-properties false positives for var() in functions ([#227](https://github.com/eslint/css/issues/227)) ([268c7f0](https://github.com/eslint/css/commit/268c7f03b981025e97c1489848212b5e9a27a9ab))
+* update baseline data ([fb65800](https://github.com/eslint/css/commit/fb658009ef6d92e1ad11c0ae9d57ba5c20e67f55))
+* update baseline data ([#287](https://github.com/eslint/css/issues/287)) ([73734bb](https://github.com/eslint/css/commit/73734bb9f6b756d5f993b5b0b13c455d9e39f70d))
+
 ## [0.11.1](https://github.com/eslint/css/compare/css-v0.11.0...css-v0.11.1) (2025-09-22)
 
 
diff --git a/jsr.json b/jsr.json
index 687d8f8..721cef5 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@eslint/css",
-  "version": "0.11.1",
+  "version": "0.12.0",
   "exports": {
     ".": "./dist/esm/index.js"
   },
diff --git a/package.json b/package.json
index bb87b20..1185904 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@eslint/css",
-  "version": "0.11.1",
+  "version": "0.12.0",
   "description": "CSS linting plugin for ESLint",
   "author": "Nicholas C. Zakas",
   "type": "module",
diff --git a/src/index.js b/src/index.js
index 0368752..f1e9268 100644
--- a/src/index.js
+++ b/src/index.js
@@ -19,7 +19,7 @@ import rules from "./build/rules.js";
 const plugin = {
 	meta: {
 		name: "@eslint/css",
-		version: "0.11.1", // x-release-please-version
+		version: "0.12.0", // x-release-please-version
 	},
 	languages: {
 		css: new CSSLanguage(),