diff --git a/CHANGELOG.md b/CHANGELOG.md
index 32c2844d..fad637fe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,33 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.0-preview.3.1] - 2026-03-05
+Known Issue
+For memory-only deployments, the agentcore status command printing out an error is a known bug for this release. We will follow up with a fix for the next release.
+### Added
+- feat: support individual memory deployment without agents (#483) (a75112e)
+- feat: add `agentcore traces` command and trace link in invoke TUI (#493) (b10b2c7)
+- feat: modular primitive architecture (#481) (0214f86)
+- feat: add `logs` command for streaming and searching agent runtime logs (#486) (7302109)
+- feat: add --diff flag to deploy command (#75) (#485) (3b4ee19)
+
+### Fixed
+- fix: hide logs and traces commands from TUI (#499) (125f83c)
+- fix: prevent CI runs from cancelling each other on main (#492) (0d6fc31)
+- fix: wire gateway-target CLI flags and default source to existing-endpoint (#488) (8c8b179)
+- fix: resolve CI failures for security audit, PR title validation, and dependabot noise (#470) (5bf2192)
+- fix: clear mcp.json gateways during remove-all to prevent orphaned AWS resources (#484) (d4aa281)
+- fix: make CLI flag values case-insensitive (#413) (c1144e0)
+
+### Documentation
+- docs: show default time ranges in traces and logs --help (#497) (b852179)
+- docs: add gateway documentation for commands, configuration, and local development (#474) (ec41be7)
+
+### Other Changes
+- ci: auto-run E2E tests for authorized team members (#495) (0eb359d)
+- test: enable gateway test coverage (#487) (41365e4)
+- ci: bump the github-actions group with 5 updates (#491) (48ebf23)
+
 ## [0.3.0-preview.3.0] - 2026-03-02
 
 ### Added
diff --git a/package-lock.json b/package-lock.json
index 449678e7..e1bff6f7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@aws/agentcore",
-  "version": "0.3.0-preview.3.0",
+  "version": "0.3.0-preview.3.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@aws/agentcore",
-      "version": "0.3.0-preview.3.0",
+      "version": "0.3.0-preview.3.1",
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
diff --git a/package.json b/package.json
index 6a16c534..30f995f5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aws/agentcore",
-  "version": "0.3.0-preview.3.0",
+  "version": "0.3.0-preview.3.1",
   "description": "CLI for Amazon Bedrock AgentCore",
   "license": "Apache-2.0",
   "repository": {