diff --git a/Dockerfile b/Dockerfile
index 87d203a..e27f25f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ COPY scripts/*.sh /app/
 
 RUN chmod +x /app/*.sh \
   && mkdir -m 777 /bitwarden \
-  && apk add --no-cache 7zip bash heirloom-mailx mariadb-client postgresql14-client sqlite supercronic tzdata \
+  && apk add --no-cache 7zip bash heirloom-mailx mariadb-client postgresql15-client sqlite supercronic tzdata \
   && apk info --no-cache -Lq mariadb-client | grep -vE '/bin/mariadb$' | grep -vE '/bin/mariadb-dump$' | xargs -I {} rm -f "/{}" \
   && ln -sf "${LOCALTIME_FILE}" /etc/localtime \
   && addgroup -g "${USER_ID}" "${USER_NAME}" \
diff --git a/docs/using-the-postgresql-backend.md b/docs/using-the-postgresql-backend.md
index 88a1356..9788213 100644
--- a/docs/using-the-postgresql-backend.md
+++ b/docs/using-the-postgresql-backend.md
@@ -2,7 +2,9 @@
 
 Now supports PostgreSQL backend.
 
-Because upstream Rclone image is based on `alpine 3.16`(and `linux/arm/v6` platform is based on `alpine 3.15`), it **only supports PostgreSQL 14 and previous versions**, see [Alpine 3.16 Packages](https://pkgs.alpinelinux.org/packages?name=postgresql*-client&branch=v3.16) and [Alpine 3.15 Packages](https://pkgs.alpinelinux.org/packages?name=postgresql*-client&branch=v3.15).
+~~Because upstream Rclone image is based on `alpine 3.16`(and `linux/arm/v6` platform is based on `alpine 3.15`), it **only supports PostgreSQL 14 and previous versions**, see [Alpine 3.16 Packages](https://pkgs.alpinelinux.org/packages?name=postgresql*-client&branch=v3.16) and [Alpine 3.15 Packages](https://pkgs.alpinelinux.org/packages?name=postgresql*-client&branch=v3.15).~~
+
+We support PostgreSQL 15 and previous versions.
 
 <br>