diff --git a/.github/release-please/release-please-manifest.json b/.github/release-please/release-please-manifest.json
index 5e30844a49..629500d8d9 100644
--- a/.github/release-please/release-please-manifest.json
+++ b/.github/release-please/release-please-manifest.json
@@ -5,6 +5,6 @@
   "lib/identifier": "0.4.0",
   "otdfctl": "0.37.0",
   "protocol/go": "0.41.0",
-  "sdk": "0.31.0",
+  "sdk": "0.32.0",
   "service": "0.26.0"
 }
\ No newline at end of file
diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index 3fb2c1f486..6272132caa 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [0.32.0](https://github.com/opentdf/platform/compare/sdk/v0.31.0...sdk/v0.32.0) (2026-09-16)
+
+
+### Features
+
+* **sdk:** make the zipstream clock injectable for deterministic ZIP output ([#3931](https://github.com/opentdf/platform/issues/3931)) ([02d9aea](https://github.com/opentdf/platform/commit/02d9aeae851bfd9c7e34334e14a5f581527ba6b8))
+
+
+### Bug Fixes
+
+* **deps:** bump google.golang.org/grpc from 1.83.0 to 1.83.1 in /sdk ([#3959](https://github.com/opentdf/platform/issues/3959)) ([06c4934](https://github.com/opentdf/platform/commit/06c49345769ccec09f7cef53b6c2ddde09108874))
+* **sdk:** DSPX-4590 default per-segment sizes when a writer omits them ([#3979](https://github.com/opentdf/platform/issues/3979)) ([9deeee8](https://github.com/opentdf/platform/commit/9deeee89d9a9a49f63228101e8634d91385f6a93))
+* **sdk:** DSPX-4590 zip64 conformance ([#3981](https://github.com/opentdf/platform/issues/3981)) ([85bbe96](https://github.com/opentdf/platform/commit/85bbe96838f6227297707c758083f2304d1fbab1))
+* **sdk:** fill each segment with io.ReadFull and size the buffer to the input ([#3936](https://github.com/opentdf/platform/issues/3936)) ([20f59a4](https://github.com/opentdf/platform/commit/20f59a4acc89603258f47e8e32a27837270fd86f))
+* **sdk:** map ReadAt plaintext offsets from cumulative segment sizes ([#3933](https://github.com/opentdf/platform/issues/3933)) ([62cb8e3](https://github.com/opentdf/platform/commit/62cb8e35fa8bab5c5261874d2172d84af0bb1c4e))
+* **sdk:** reject a zipstream write set that omits segment 0 ([#3932](https://github.com/opentdf/platform/issues/3932)) ([6ca994b](https://github.com/opentdf/platform/commit/6ca994bc5372a671d5391fa4c3776ee9d49f8dbf))
+* **sdk:** reject GMAC root signatures (DSPX-4703) ([#4030](https://github.com/opentdf/platform/issues/4030)) ([2bce7d4](https://github.com/opentdf/platform/commit/2bce7d45b1849e5454c227c4a904d7b51ebd8879))
+
 ## [0.31.0](https://github.com/opentdf/platform/compare/sdk/v0.30.0...sdk/v0.31.0) (2026-08-27)
 
 
diff --git a/sdk/version.go b/sdk/version.go
index f8d79f1641..fdd2e9ade7 100644
--- a/sdk/version.go
+++ b/sdk/version.go
@@ -7,7 +7,7 @@ const (
 	TDFSpecVersion = "4.3.0"
 
 	// The three-part semantic version number of this SDK
-	Version = "0.31.0" // x-release-please-version
+	Version = "0.32.0" // x-release-please-version
 )
 
 // SupportedFeatures returns a list of optional features supported by this SDK build.