diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c7f75a..dc201ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# [1.4.0](https://github.com/amplitude/experiment-go-server/compare/v1.3.2...v1.4.0) (2024-03-07)
+
+
+### Features
+
+* add method to access flag metadata ([#22](https://github.com/amplitude/experiment-go-server/issues/22)) ([72ae711](https://github.com/amplitude/experiment-go-server/commit/72ae7116a5d54a30e3ef2abe01a09775c8e616f1))
+
 ## [1.3.2](https://github.com/amplitude/experiment-go-server/compare/v1.3.1...v1.3.2) (2024-01-29)
 
 
diff --git a/pkg/experiment/types.go b/pkg/experiment/types.go
index 4a5bfe3..e0bae7d 100644
--- a/pkg/experiment/types.go
+++ b/pkg/experiment/types.go
@@ -1,6 +1,6 @@
 package experiment
 
-const VERSION = "1.3.2"
+const VERSION = "1.4.0"
 
 type User struct {
 	UserId             string                 `json:"user_id,omitempty"`