diff --git a/prowlarr/CHANGELOG.md b/prowlarr/CHANGELOG.md
index 786142592a..025dc98fb0 100644
--- a/prowlarr/CHANGELOG.md
+++ b/prowlarr/CHANGELOG.md
@@ -1,3 +1,7 @@
+ 
+## 2.6.4.5611.15 (2026-09-12)
+- Update to latest version from linuxserver/docker-prowlarr (changelog : https://github.com/linuxserver/docker-prowlarr/releases)
+- Upstream tag : nightly-2.6.4.5611-ls15
 - Migrate legacy add-on configuration map names to current app configuration terminology.
  
 ## 2.6.3.5608.14 (2026-09-05)
diff --git a/prowlarr/config.yaml b/prowlarr/config.yaml
index d5e70e0f87..251395f080 100644
--- a/prowlarr/config.yaml
+++ b/prowlarr/config.yaml
@@ -110,4 +110,4 @@ schema:
 slug: prowlarr
 udev: true
 url: https://github.com/alexbelgium/hassio-addons
-version: "2.6.3.5608.14"
+version: "2.6.4.5611.15"
diff --git a/prowlarr/updater.json b/prowlarr/updater.json
index 0344fbe9b7..d78896b57f 100644
--- a/prowlarr/updater.json
+++ b/prowlarr/updater.json
@@ -1,10 +1,10 @@
 {
   "github_beta": "true",
   "github_fulltag": "true",
-  "last_update": "2026-09-05",
+  "last_update": "2026-09-12",
   "repository": "alexbelgium/hassio-addons",
   "slug": "prowlarr",
   "source": "github",
   "upstream_repo": "linuxserver/docker-prowlarr",
-  "upstream_version": "nightly-2.6.3.5608-ls14"
+  "upstream_version": "nightly-2.6.4.5611-ls15"
 }