diff --git a/CHANGELOG.md b/CHANGELOG.md
index b23fb5e..3ec639c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [5.2.0](https://github.com/mljs/peak-shape-generator/compare/v5.1.0...v5.2.0) (2026-06-24)
+
+
+### Features
+
+* add analytical derivative to all 1D shapes ([#92](https://github.com/mljs/peak-shape-generator/issues/92)) ([db40190](https://github.com/mljs/peak-shape-generator/commit/db401900e30f8f041f2c3bd4237604ffae58bbbc))
+
 ## [5.1.0](https://github.com/mljs/peak-shape-generator/compare/v5.0.0...v5.1.0) (2026-06-02)
 
 
diff --git a/package.json b/package.json
index 0c420cb..d0dd5c2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ml-peak-shape-generator",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "description": "Generate various peak shapes",
   "type": "module",
   "exports": {