diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9cb818..e5e7dc2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,12 @@
 All notable changes to this project are documented here, following
 [Keep a Changelog](https://keepachangelog.com/) and semantic versioning.
 
+## [0.1.10] - 2026-09-15
+
+### Fixed
+
+- Match generated-file markers case-insensitively.
+
 ## [0.1.9] - 2026-09-12
 
 ### Fixed
diff --git a/package.json b/package.json
index 3f9e1ad..7bea5cc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ctxtrim",
-  "version": "0.1.9",
+  "version": "0.1.10",
   "description": "Trim what bloats your AI coding context. Scan a repo, find the high-cost/low-value files ballooning your Claude Code / Cursor / Codex context, and write ignore files to cut token cost. Zero dependencies.",
   "type": "module",
   "bin": {
diff --git a/src/classify.js b/src/classify.js
index e648cfd..2dd9174 100644
--- a/src/classify.js
+++ b/src/classify.js
@@ -33,7 +33,7 @@ const BINARY_EXT = new Set([
 ]);
 
 const MINIFIED = /\.(min\.(js|css|mjs)|bundle\.js|map)$/i;
-const GENERATED_MARKERS = /(@generated\b|DO NOT EDIT|Code generated by|autogenerated|@auto-generated)/;
+const GENERATED_MARKERS = /(@generated\b|DO NOT EDIT|Code generated by|autogenerated|@auto-generated)/i;
 
 const dirParts = (rel) => rel.split(/[\\/]/).slice(0, -1);
 
diff --git a/test/ctxtrim.test.js b/test/ctxtrim.test.js
index da50d9f..9f1e3a4 100644
--- a/test/ctxtrim.test.js
+++ b/test/ctxtrim.test.js
@@ -35,6 +35,11 @@ test("classify buckets files correctly", () => {
   assert.equal(classifyPath("big.json"), null);
 });
 
+test("generated markers are case-insensitive", () => {
+  assert.equal(classify("generated.js", { sample: "// do not edit" }).category, "generated");
+  assert.equal(classify("generated.js", { sample: "/* @Generated by protoc */" }).category, "generated");
+});
+
 test("scan skips binary reads and retains content-dependent classification", (t) => {
   const root = mkdtempSync(join(tmpdir(), "ctxtrim-binary-read-"));
   t.after(() => rmSync(root, { recursive: true, force: true }));