diff --git a/CHANGELOG.MD b/CHANGELOG.MD
index e50d6c9..0c09774 100644
--- a/CHANGELOG.MD
+++ b/CHANGELOG.MD
@@ -1,5 +1,8 @@
 # Changelog
 
+### 15.6.0 (*2022-05-01*)
+- Added: `smooth-steps` `behaviour` flag (#627);
+
 ### 15.5.1 (*2022-01-21*)
 - Added: `dist` to release (#1148);
 - Updated release tooling (#1173, #1174);
diff --git a/package-lock.json b/package-lock.json
index c4f5816..fb391fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "nouislider",
-  "version": "15.5.1",
+  "version": "15.6.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
diff --git a/package.json b/package.json
index 3468b8e..82001c6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nouislider",
-  "version": "15.5.1",
+  "version": "15.6.0",
   "main": "dist/nouislider.js",
   "style": "dist/nouislider.min.css",
   "types": "dist/nouislider.d.ts",