diff --git a/CHANGELOG.md b/CHANGELOG.md
index c15f534..c5c9abf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.3](https://github.com/diplodoc-platform/mermaid-extension/compare/v1.2.2...v1.2.3) (2024-04-27)
+
+
+### Bug Fixes
+
+* preserve space at the end of diagram code when parsing ([#17](https://github.com/diplodoc-platform/mermaid-extension/issues/17)) ([648070e](https://github.com/diplodoc-platform/mermaid-extension/commit/648070e4ac757f6096f595bd564752e705d68c22))
+
 ## [1.2.2](https://github.com/diplodoc-platform/mermaid-extension/compare/v1.2.1...v1.2.2) (2024-04-25)
 
 
diff --git a/package-lock.json b/package-lock.json
index 3da209d..1f6fc3b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@diplodoc/mermaid-extension",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@diplodoc/mermaid-extension",
-      "version": "1.2.2",
+      "version": "1.2.3",
       "license": "MIT",
       "devDependencies": {
         "@diplodoc/eslint-config": "^2.0.0",
diff --git a/package.json b/package.json
index 216e971..d564cbf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@diplodoc/mermaid-extension",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "description": "Mermaid plugin for Diplodoc transformer and builder",
   "main": "plugin/index.js",
   "types": "plugin/index.d.ts",