diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c17c08f..af718e5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"1.3.0"}
+{".":"1.4.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d12d531..8df31f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.4.0](https://github.com/wrightkit/language-provider-protocol/compare/v1.3.0...v1.4.0) (2026-09-24)
+
+
+### Features
+
+* **protocol:** negotiate artifact formats in lpp/compile ([#40](https://github.com/wrightkit/language-provider-protocol/issues/40)) ([11c02d1](https://github.com/wrightkit/language-provider-protocol/commit/11c02d1617cd25080fc120c987c238381f6c861a))
+
 ## [1.3.0](https://github.com/wrightkit/language-provider-protocol/compare/v1.2.0...v1.3.0) (2026-09-13)
 
 
diff --git a/version.txt b/version.txt
index f0bb29e..88c5fb8 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.3.0
+1.4.0