diff --git a/COPS/CHANGELOG.md b/COPS/CHANGELOG.md
index 30f4e33b..d121b17d 100644
--- a/COPS/CHANGELOG.md
+++ b/COPS/CHANGELOG.md
@@ -1,8 +1,12 @@
 # HA COPS Changelog
 
+## [1.40] - 2025-09
+
+- Add support for multiple databases
+
 ## [1.39] - 2025-09-19
 
-- Add support for custom columns in Configuration
+- Add support for custom columns in Configuration.
 
 ## [1.38] - 2025-09-18
 
diff --git a/COPS/config.yaml b/COPS/config.yaml
index 11f2ae4c..a18ef58e 100644
--- a/COPS/config.yaml
+++ b/COPS/config.yaml
@@ -1,5 +1,5 @@
 name: "HA COPS"
-version: "1.39"
+version: "1.39-multidb4"
 slug: "ha-cops"
 description: "Minimal Calibre library web interface"
 url: "https://github.com/dunxd/HomeAssistantAddons/tree/main/COPS"
@@ -23,6 +23,7 @@ options:
   library_folder: books
   rsync: true
   reader: monocle
+  database: "./"
 schema:
   title: str
   library_folder: str
@@ -35,3 +36,4 @@ schema:
   smtp_port: int?
   address_from: email?
   custom_cols: str?
+  database: str
diff --git a/COPS/translations/en.yaml b/COPS/translations/en.yaml
index 40fd6677..f445f997 100644
--- a/COPS/translations/en.yaml
+++ b/COPS/translations/en.yaml
@@ -32,6 +32,9 @@ configuration:
   custom_cols:
     name: Custom columns
     description: This must be a string listing the columns you want to display in the format "column_name1", "column_name2". The names are case sensitive. If you aren't using custom columns leave this blank. If you want to see all custom columns enter "*".
+  database:
+    name: Database(s)
+    description: Specify the location of the metadata.db file.  For most users leave this as `./`.  You can use this to specify multiple databases, using an array. See https://community.home-assistant.io/t/new-add-on-minimal-calibre-library-ha-cops/562830/38 for an example.
 network:
   8000/tcp: The port used to access the library web pages.
   873/tcp: The port used for rsync.