diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca2484e..260375e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Added
+
+- **Performance optimizations** (Dockerfile)
+  - `dead time = 30` — disconnect idle clients after 30 seconds to free resources
+  - `large readwrite = yes` — improved performance for large file transfers
+  - `max xmit = 65535` — maximum packet size for better throughput
+  - `write cache size = 1048576` — 1MB write cache for improved write performance
+
 ### Fixed
 
 - **Fixed chown syntax error in perms function** (samba.sh:122)
diff --git a/Dockerfile b/Dockerfile
index 7e226a4..c8873fd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,6 +52,10 @@ RUN file="/etc/samba/smb.conf" && \
    smb2 max write = 8388608
    smb2 max trans = 8388608
    smb2 max credits = 8192
+   dead time = 30
+   large readwrite = yes
+   max xmit = 65535
+   write cache size = 1048576
    vfs objects = catia recycle
 
    # Recycle bin