diff --git a/.github/release-please/release-please-manifest.json b/.github/release-please/release-please-manifest.json
index 75e665673..49bea0a03 100644
--- a/.github/release-please/release-please-manifest.json
+++ b/.github/release-please/release-please-manifest.json
@@ -4,6 +4,6 @@
   "lib/flattening": "0.1.3",
   "lib/identifier": "0.2.0",
   "protocol/go": "0.11.0",
-  "sdk": "0.8.0",
+  "sdk": "0.9.0",
   "service": "0.10.0"
 }
\ No newline at end of file
diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index 5c18434ae..72758bbcc 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## [0.9.0](https://github.com/opentdf/platform/compare/sdk/v0.8.0...sdk/v0.9.0) (2025-10-09)
+
+
+### Features
+
+* **sdk:** DSPX-1465 refactor TDF architecture with streaming support and segment-based writing ([#2785](https://github.com/opentdf/platform/issues/2785)) ([ea9b278](https://github.com/opentdf/platform/commit/ea9b278e34e52958990446924e110175ed9a3d6f))
+* **sdk:** Experimental zipstream lib, add segment-based streaming ZIP writer, ZIP64 modes ([#2782](https://github.com/opentdf/platform/issues/2782)) ([b381179](https://github.com/opentdf/platform/commit/b381179119bca67ef19a935771b5a2efb5f6823a))
+* **sdk:** sdk should optionally take in a logger ([#2754](https://github.com/opentdf/platform/issues/2754)) ([f40d05f](https://github.com/opentdf/platform/commit/f40d05ff24aa7ff4270f206c4e3efc13125ec284))
+
+
+### Bug Fixes
+
+* **core:** deprecate policy WithValue selector not utilized by RPC ([#2794](https://github.com/opentdf/platform/issues/2794)) ([c573595](https://github.com/opentdf/platform/commit/c573595aba6c0e5223fc7fd924840c1bf34cd895))
+
 ## [0.8.0](https://github.com/opentdf/platform/compare/sdk/v0.7.0...sdk/v0.8.0) (2025-09-19)
 
 
diff --git a/sdk/version.go b/sdk/version.go
index 685fe2584..52ec3837d 100644
--- a/sdk/version.go
+++ b/sdk/version.go
@@ -7,5 +7,5 @@ const (
 	TDFSpecVersion = "4.3.0"
 
 	// The three-part semantic version number of this SDK
-	Version = "0.8.0" // x-release-please-version
+	Version = "0.9.0" // x-release-please-version
 )