diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07e1664..cbff757 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [3.9.1](https://github.com/OctopusDeploy/api-client.ts/compare/v3.9.0...v3.9.1) (2025-10-29)
+
+
+### Bug Fixes
+
+* Add TaskIds to ephemeral env deprovisioning response types ([#236](https://github.com/OctopusDeploy/api-client.ts/issues/236)) ([c9b3c7d](https://github.com/OctopusDeploy/api-client.ts/commit/c9b3c7d9982d212e4f99c009d04ae17be85eb9a8))
+
 ## [3.9.0](https://github.com/OctopusDeploy/api-client.ts/compare/v3.8.0...v3.9.0) (2025-10-09)
 
 
diff --git a/package-lock.json b/package-lock.json
index 4f83d81..f509880 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@octopusdeploy/api-client",
-  "version": "3.9.0",
+  "version": "3.9.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@octopusdeploy/api-client",
-      "version": "3.9.0",
+      "version": "3.9.1",
       "license": "Apache-2.0",
       "dependencies": {
         "adm-zip": "^0.5.9",
diff --git a/package.json b/package.json
index 2caef59..14909c5 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "test": "jest --maxWorkers=4 --config=jest.config.js --ci --reporters=default --reporters=jest-junit"
   },
   "types": "dist/index.d.ts",
-  "version": "3.9.0",
+  "version": "3.9.1",
   "jest-junit": {
     "outputDirectory": "reports",
     "outputName": "jest-junit.xml",