diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2537c1f..f1c1e58 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.0"
+  ".": "0.5.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96cf298..a59289f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.5.0](https://github.com/scbrown/tambo/compare/v0.4.0...v0.5.0) (2026-10-21)
+
+
+### Features
+
+* **members:** declare explicit compatible identity alternatives ([#174](https://github.com/scbrown/tambo/issues/174)) ([7ca1260](https://github.com/scbrown/tambo/commit/7ca1260652c384653e271fa0b67abed51b19e330))
+
 ## [0.4.0](https://github.com/scbrown/tambo/compare/v0.3.7...v0.4.0) (2026-10-19)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 50b5b2e..0da78c0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -572,7 +572,7 @@ dependencies = [
 
 [[package]]
 name = "tambo"
-version = "0.4.0"
+version = "0.5.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index a0faac1..8a1f68b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tambo"
-version = "0.4.0"
+version = "0.5.0"
 edition = "2021"
 description = "Install and prove the whole AI knowledge-tool kit"
 license = "MIT"