diff --git a/openproject/CHANGELOG.md b/openproject/CHANGELOG.md
index 42d0160344..be9dbe70c9 100644
--- a/openproject/CHANGELOG.md
+++ b/openproject/CHANGELOG.md
@@ -1,4 +1,7 @@
 
+## 17.4.0 (2026-05-16)
+- Update to latest version from opf/openproject (changelog : https://github.com/opf/openproject/releases)
+
 ## 17.3.1 (2026-04-23)
 - Update to latest version from opf/openproject (changelog : https://github.com/opf/openproject/releases)
 
diff --git a/openproject/config.yaml b/openproject/config.yaml
index 2015e474da..cc33c7053e 100644
--- a/openproject/config.yaml
+++ b/openproject/config.yaml
@@ -34,5 +34,5 @@ schema:
 slug: openproject
 udev: true
 url: https://github.com/alexbelgium/hassio-addons/tree/master/openproject
-version: "17.3.1"
+version: "17.4.0"
 webui: "[PROTO:ssl]://[HOST]:[PORT:8080]"
diff --git a/openproject/updater.json b/openproject/updater.json
index 4c6c11b73f..3894734214 100644
--- a/openproject/updater.json
+++ b/openproject/updater.json
@@ -1,8 +1,8 @@
 {
-  "last_update": "2026-04-23",
+  "last_update": "2026-05-16",
   "repository": "alexbelgium/hassio-addons",
   "slug": "openproject",
   "source": "github",
   "upstream_repo": "opf/openproject",
-  "upstream_version": "17.3.1"
+  "upstream_version": "17.4.0"
 }