diff --git a/CHANGELOG b/CHANGELOG
index 8bbef73e..58e8e64b 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,9 @@
 All notable changes to this project will be documented in this file.
 
+### 1.6.6 - 22 mar '23
+  - node is not Intl ready, fix #250
+  - fix old smultidate events without an end_datetime!
+
 ### 1.6.5 - 21 mar '23
   - optimize home page using lazy loading
   - add support for server side http proxy (thanks @sedum)
diff --git a/docs/changelog.md b/docs/changelog.md
index 17ed9e01..dcca2d48 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -8,6 +8,10 @@ nav_order: 10
 
 All notable changes to this project will be documented in this file.
 
+### 1.6.6 - 22 mar '23
+  - node is not Intl ready, fix #250
+  - fix old smultidate events without an end_datetime!
+
 
 ### 1.6.5 - 21 mar '23
   - optimize home page using lazy loading
diff --git a/docs/index.md b/docs/index.md
index 6137b4c0..3ad9e7a3 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -10,7 +10,7 @@ permalink: /
 
 A shared agenda for local communities.
 {: .fs-6 }
-Last release  **[1.6.5 - 21 Mar 2023](/changelog#165---21-mar-23)**
+Last release  **[1.6.6 - 22 Mar 2023](/changelog#166---22-mar-23)**
 
 [Install]({% link install/install.md %}){: .btn .btn-primary .fs-5 .mb-4 .mb-md-0 .mr-2 }
 [Demo](https://demo.gancio.org){: .btn .btn-green .fs-5 .mb-4 .mb-md-0 .mr-2 }
diff --git a/package.json b/package.json
index ee712c60..039d926b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "gancio",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "description": "A shared agenda for local communities",
   "author": "lesion",
   "scripts": {