diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d366f368..7bbd6a5e 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"9.3.1"}
+{".":"9.4.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 66aa5dc3..d82d7b19 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
+## [9.4.0](https://github.com/iExecBlockchainComputing/iexec-sms/compare/v9.3.1...v9.4.0) (2026-05-06)
+
+
+### Features
+
+* upgrade to Spring Boot 3.5.8 ([#328](https://github.com/iExecBlockchainComputing/iexec-sms/issues/328)) ([38e8690](https://github.com/iExecBlockchainComputing/iexec-sms/commit/38e8690ddb1e5bccac805d903c2765d645210b5a))
+
 ## [9.3.1](https://github.com/iExecBlockchainComputing/iexec-sms/compare/v9.3.0...v9.3.1) (2026-04-30)
 
 
diff --git a/gradle.properties b/gradle.properties
index ca0b5b95..3990d1f8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # x-release-please-start-version
-version=9.3.1
+version=9.4.0
 # x-release-please-end
 iexecCommonsPocoVersion=5.4.0
 iexecCommonVersion=9.2.0