diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92eeaa4..0a6ef10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+## 0.4.0 (2020-11-28)
+
 ### New Features
 
 * Add `dependabot` config
diff --git a/Gemfile.lock b/Gemfile.lock
index f1b74a9..d83d5bd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    onlyoffice_file_helper (0.3.0)
+    onlyoffice_file_helper (0.4.0)
       onlyoffice_logger_helper (~> 1)
       rubyzip (~> 2)
 
diff --git a/lib/onlyoffice_file_helper/version.rb b/lib/onlyoffice_file_helper/version.rb
index 9fde11b..cfff4b8 100644
--- a/lib/onlyoffice_file_helper/version.rb
+++ b/lib/onlyoffice_file_helper/version.rb
@@ -2,5 +2,5 @@
 
 module OnlyofficeFileHelper
   # @return [String] version of gem
-  VERSION = '0.3.0'
+  VERSION = '0.4.0'
 end