diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5e7dc2..595788d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,12 +3,17 @@
 All notable changes to this project are documented here, following
 [Keep a Changelog](https://keepachangelog.com/) and semantic versioning.
 
+## [0.1.11] - 2026-09-16
+
+### Fixed
+
+- Classify `.log` files as trimmable data instead of source.
+
 ## [0.1.10] - 2026-09-15
 
 ### Fixed
 
 - Match generated-file markers case-insensitively.
-
 ## [0.1.9] - 2026-09-12
 
 ### Fixed
diff --git a/package-lock.json b/package-lock.json
index 15863cf..b469704 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ctxtrim",
-  "version": "0.1.9",
+  "version": "0.1.11",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ctxtrim",
-      "version": "0.1.9",
+      "version": "0.1.11",
       "license": "MIT",
       "bin": {
         "ctxtrim": "bin/ctxtrim.js"
diff --git a/package.json b/package.json
index 7bea5cc..8ce0d65 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ctxtrim",
-  "version": "0.1.10",
+  "version": "0.1.11",
   "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 2dd9174..73d531a 100644
--- a/src/classify.js
+++ b/src/classify.js
@@ -21,7 +21,7 @@ const LOCKFILES = new Set([
 
 const DATA_EXT = new Set([
   ".csv", ".tsv", ".parquet", ".ndjson", ".jsonl", ".sqlite", ".sqlite3",
-  ".db", ".dump", ".pkl", ".npy", ".npz", ".arrow", ".feather", ".geojson",
+  ".db", ".dump", ".log", ".pkl", ".npy", ".npz", ".arrow", ".feather", ".geojson",
 ]);
 
 const BINARY_EXT = new Set([
diff --git a/test/ctxtrim.test.js b/test/ctxtrim.test.js
index 9f1e3a4..7a67e48 100644
--- a/test/ctxtrim.test.js
+++ b/test/ctxtrim.test.js
@@ -25,6 +25,8 @@ test("classify buckets files correctly", () => {
   assert.equal(classify("dist/app.js", {}).category, "build");
   assert.equal(classify("app.min.js", {}).category, "minified");
   assert.equal(classify("data/x.csv", {}).category, "data");
+  assert.equal(classify("debug.log", {}).category, "data");
+  assert.equal(classify("debug.log", {}).trim, true);
   assert.equal(classify("logo.png", {}).binary, true);
   assert.equal(classify("src/index.js", { tokens: 50 }).category, "source");
   assert.equal(classify("src/index.js", { tokens: 50 }).trim, false);