diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 46b46d3..6d3db10 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"9.0.5"}
+{".":"9.1.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4393ff..cd8a838 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## [9.1.0](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/compare/v9.0.5...v9.1.0) (2026-06-16)
+
+
+### Features
+
+* upgrade to Java 21 ([#195](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/issues/195)) ([56d87c4](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/commit/56d87c4926d24190d6d5c4d42894f4b833cf33ae))
+* upgrade to Spring Boot 3.5.8 ([#193](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/issues/193)) ([6e80317](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/commit/6e80317285d47f9e707b2a78494c7eb91d2f1605))
+
 ## [9.0.5](https://github.com/iExecBlockchainComputing/iexec-blockchain-adapter-api/compare/v9.0.4...v9.0.5) (2026-04-30)
 
 
diff --git a/gradle.properties b/gradle.properties
index 9a3234a..e04e0ca 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 # x-release-please-start-version
-version=9.0.5
+version=9.1.0
 # x-release-please-end
 iexecCommonsPocoVersion=5.4.0
 iexecCommonVersion=9.2.0