diff --git a/CHANGELOG.md b/CHANGELOG.md
index f21f30f0..d1087f3b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [4.8.6](https://github.com/soulcraftlabs/brainy/compare/v4.8.5...v4.8.6) (2025-10-28)
+
+- fix: per-sheet column detection in Excel importer (401443a)
+
+
 ### [4.7.4](https://github.com/soulcraftlabs/brainy/compare/v4.7.3...v4.7.4) (2025-10-27)
 
 **CRITICAL SYSTEMIC VFS BUG FIX - Workshop Team Unblocked!**
diff --git a/package-lock.json b/package-lock.json
index 4650be6b..b9cc89bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@soulcraft/brainy",
-  "version": "4.8.5",
+  "version": "4.8.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@soulcraft/brainy",
-      "version": "4.8.5",
+      "version": "4.8.6",
       "license": "MIT",
       "dependencies": {
         "@aws-sdk/client-s3": "^3.540.0",
diff --git a/package.json b/package.json
index 8ab3d741..5cc6ba8c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@soulcraft/brainy",
-  "version": "4.8.5",
+  "version": "4.8.6",
   "description": "Universal Knowledge Protocol™ - World's first Triple Intelligence database unifying vector, graph, and document search in one API. 31 nouns × 40 verbs for infinite expressiveness.",
   "main": "dist/index.js",
   "module": "dist/index.js",