diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7aa3208b..e1c4200e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [1.4.0](https://github.com/CopilotC-Nvim/CopilotChat.nvim/compare/v1.3.0...v1.4.0) (2024-02-16)
+
+
+### Features
+
+* add diagnostic troubleshooting command ([0e5eced](https://github.com/CopilotC-Nvim/CopilotChat.nvim/commit/0e5ecedda4d7a9cc6eeef1424889d8d9550bf4f3))
+* add toggle command for vertical split in CopilotChat ([48209d6](https://github.com/CopilotC-Nvim/CopilotChat.nvim/commit/48209d6b98cb50c9dae59da70ebda351282cf8f7))
+* **integration:** set filetype to 'copilot-chat' for support edgy.nvim ([60718ed](https://github.com/CopilotC-Nvim/CopilotChat.nvim/commit/60718ed6e806fa86fd78cb3bf55a05f1a74b257e))
+
 ## [1.3.0](https://github.com/CopilotC-Nvim/CopilotChat.nvim/compare/v1.2.0...v1.3.0) (2024-02-14)
 
 
diff --git a/version.txt b/version.txt
index f0bb29e7..88c5fb89 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.3.0
+1.4.0