diff --git a/piwigo/CHANGELOG.md b/piwigo/CHANGELOG.md
index 0837edafa9..f0cfea74ee 100644
--- a/piwigo/CHANGELOG.md
+++ b/piwigo/CHANGELOG.md
@@ -1,4 +1,7 @@
 
+## 16.4.0 (2026-05-09)
+- Update to latest version from linuxserver/docker-piwigo (changelog : https://github.com/linuxserver/docker-piwigo/releases)
+
 ## 16.3.0 (2026-02-28)
 - Update to latest version from linuxserver/docker-piwigo (changelog : https://github.com/linuxserver/docker-piwigo/releases)
 
diff --git a/piwigo/config.yaml b/piwigo/config.yaml
index 5f71fc4e35..af8fa61de9 100644
--- a/piwigo/config.yaml
+++ b/piwigo/config.yaml
@@ -100,5 +100,5 @@ schema:
 slug: piwigo
 udev: true
 url: https://github.com/alexbelgium/hassio-addons
-version: "16.3.0"
+version: "16.4.0"
 webui: "[PROTO:ssl]://[HOST]:[PORT:80]"
diff --git a/piwigo/updater.json b/piwigo/updater.json
index 709452433a..90ce387086 100644
--- a/piwigo/updater.json
+++ b/piwigo/updater.json
@@ -1,8 +1,8 @@
 {
-  "last_update": "2026-02-28",
+  "last_update": "2026-05-09",
   "repository": "alexbelgium/hassio-addons",
   "slug": "piwigo",
   "source": "github",
   "upstream_repo": "linuxserver/docker-piwigo",
-  "upstream_version": "16.3.0"
+  "upstream_version": "16.4.0"
 }