diff --git a/CHANGELOG.md b/CHANGELOG.md
index be6c97fe..b5238a44 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [14.34.2](https://github.com/mljs/spectra-processing/compare/v14.34.1...v14.34.2) (2026-09-03)
+
+
+### Performance Improvements
+
+* optimize getSlots ([#412](https://github.com/mljs/spectra-processing/issues/412)) ([d87a241](https://github.com/mljs/spectra-processing/commit/d87a241ba79544e9aa794cae35b6327baf77f7bc))
+
 ## [14.34.1](https://github.com/mljs/spectra-processing/compare/v14.34.0...v14.34.1) (2026-09-03)
 
 
diff --git a/package-lock.json b/package-lock.json
index 920fef97..86fec393 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "ml-spectra-processing",
-  "version": "14.34.1",
+  "version": "14.34.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "ml-spectra-processing",
-      "version": "14.34.1",
+      "version": "14.34.2",
       "license": "MIT",
       "dependencies": {
         "binary-search": "^1.3.6",
diff --git a/package.json b/package.json
index 7e066b87..c292553a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ml-spectra-processing",
-  "version": "14.34.1",
+  "version": "14.34.2",
   "license": "MIT",
   "description": "Various method to process spectra",
   "keywords": [],