diff --git a/openproject/CHANGELOG.md b/openproject/CHANGELOG.md
index d5f1c95e4..61e4a9d2d 100644
--- a/openproject/CHANGELOG.md
+++ b/openproject/CHANGELOG.md
@@ -1,4 +1,7 @@
 
+## 16.6.4 (10-01-2026)
+- Update to latest version from opf/openproject (changelog : https://github.com/opf/openproject/releases)
+
 ## 16.6.3 (13-12-2025)
 - 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 67968f68c..082505ee8 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: "16.6.3"
+version: "16.6.4"
 webui: "[PROTO:ssl]://[HOST]:[PORT:8080]"
diff --git a/openproject/updater.json b/openproject/updater.json
index 89d7ef1bc..3108f48e4 100644
--- a/openproject/updater.json
+++ b/openproject/updater.json
@@ -1,8 +1,8 @@
 {
-  "last_update": "13-12-2025",
+  "last_update": "10-01-2026",
   "repository": "alexbelgium/hassio-addons",
   "slug": "openproject",
   "source": "github",
   "upstream_repo": "opf/openproject",
-  "upstream_version": "16.6.3"
+  "upstream_version": "16.6.4"
 }