diff --git a/app.py b/app.py
index 287008f..48d597b 100644
--- a/app.py
+++ b/app.py
@@ -15,6 +15,7 @@ from extensions import db, login_manager, csrf
 from utils.email_templates import create_default_templates
 from datetime import datetime
 from sqlalchemy import text
+from utils.asset_utils import get_asset_version
 
 # Load environment variables
 load_dotenv()
@@ -49,6 +50,11 @@ def create_app():
             db.session.commit()
         return dict(config=app.config, site_settings=site_settings)
 
+    @app.template_filter('asset_version')
+    def asset_version_filter(filename):
+        """Template filter to get version hash for static assets"""
+        return get_asset_version(filename) or ''
+
     # User loader for Flask-Login
     @login_manager.user_loader
     def load_user(user_id):
diff --git a/templates/auth/login.html b/templates/auth/login.html
index 32e24d9..ab000dc 100644
--- a/templates/auth/login.html
+++ b/templates/auth/login.html
@@ -6,10 +6,10 @@
     <title>Login - DocuPulse</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/auth.css', v=config.CSS_VERSION) }}">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css', v=config.CSS_VERSION) }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/auth.css') }}?v={{ 'css/auth.css'|asset_version }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css') }}?v={{ 'css/colors.css'|asset_version }}">
     <link rel="stylesheet" href="{{ url_for('main.dynamic_colors') }}?v={{ site_settings.updated_at.timestamp() }}" onload="console.log('[CSS] Dynamic colors loaded with version:', '{{ site_settings.updated_at.timestamp() }}')">
-    <script src="{{ url_for('static', filename='js/color-logger.js', v=config.CSS_VERSION) }}"></script>
+    <script src="{{ url_for('static', filename='js/color-logger.js') }}?v={{ 'js/color-logger.js'|asset_version }}"></script>
 </head>
 <body>
     <div class="container">
diff --git a/templates/auth/register.html b/templates/auth/register.html
index d39f430..87a58d7 100644
--- a/templates/auth/register.html
+++ b/templates/auth/register.html
@@ -6,10 +6,10 @@
     <title>Register - DocuPulse</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/auth.css', v=config.CSS_VERSION) }}">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css', v=config.CSS_VERSION) }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/auth.css') }}?v={{ 'css/auth.css'|asset_version }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css') }}?v={{ 'css/colors.css'|asset_version }}">
     <link rel="stylesheet" href="{{ url_for('main.dynamic_colors') }}?v={{ site_settings.updated_at.timestamp() }}" onload="console.log('[CSS] Dynamic colors loaded with version:', '{{ site_settings.updated_at.timestamp() }}')">
-    <script src="{{ url_for('static', filename='js/color-logger.js', v=config.CSS_VERSION) }}"></script>
+    <script src="{{ url_for('static', filename='js/color-logger.js') }}?v={{ 'js/color-logger.js'|asset_version }}"></script>
 </head>
 <body>
     <div class="container">
diff --git a/templates/common/base.html b/templates/common/base.html
index 49f27b6..3b46e1d 100644
--- a/templates/common/base.html
+++ b/templates/common/base.html
@@ -9,12 +9,12 @@
     <link href="https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css" rel="stylesheet">
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
-    <link href="{{ url_for('static', filename='css/file-grid.css', v=config.CSS_VERSION) }}" rel="stylesheet">
-    <link href="{{ url_for('static', filename='css/base.css', v=config.CSS_VERSION) }}" rel="stylesheet">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css', v=config.CSS_VERSION) }}">
+    <link href="{{ url_for('static', filename='css/file-grid.css') }}?v={{ 'css/file-grid.css'|asset_version }}" rel="stylesheet">
+    <link href="{{ url_for('static', filename='css/base.css') }}?v={{ 'css/base.css'|asset_version }}" rel="stylesheet">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/colors.css') }}?v={{ 'css/colors.css'|asset_version }}">
     <link rel="stylesheet" href="{{ url_for('main.dynamic_colors') }}?v={{ site_settings.updated_at.timestamp() }}" onload="console.log('[CSS] Dynamic colors loaded with version:', '{{ site_settings.updated_at.timestamp() }}')">
     {% block extra_css %}{% endblock %}
-    <script src="{{ url_for('static', filename='js/color-logger.js', v=config.CSS_VERSION) }}"></script>
+    <script src="{{ url_for('static', filename='js/color-logger.js') }}?v={{ 'js/color-logger.js'|asset_version }}"></script>
 </head>
 <body>
     <!-- Navigation -->
diff --git a/templates/contacts/form.html b/templates/contacts/form.html
index f27a6c8..ad3531f 100644
--- a/templates/contacts/form.html
+++ b/templates/contacts/form.html
@@ -157,9 +157,9 @@
     </div>
 </div>
 
-<script src="{{ url_for('static', filename='js/avatar-preview.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/avatar-preview.js') }}?v={{ 'js/avatar-preview.js'|asset_version }}"></script>
 {% endblock %}
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/avatar-preview.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/avatar-preview.js') }}?v={{ 'js/avatar-preview.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/contacts/list.html b/templates/contacts/list.html
index c07fbb4..634ace5 100644
--- a/templates/contacts/list.html
+++ b/templates/contacts/list.html
@@ -43,7 +43,7 @@
                 </button>
             </div>
         </form>
-        <script src="{{ url_for('static', filename='js/contacts-filter.js', v=config.CSS_VERSION) }}"></script>
+        <script src="{{ url_for('static', filename='js/contacts-filter.js') }}?v={{ 'js/contacts-filter.js'|asset_version }}"></script>
     </div>
 
     <!-- Contacts List -->
@@ -206,5 +206,5 @@
 {% endblock %}
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/contacts-filter.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/contacts-filter.js') }}?v={{ 'js/contacts-filter.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/conversations/conversation.html b/templates/conversations/conversation.html
index 920ee87..0a6f292 100644
--- a/templates/conversations/conversation.html
+++ b/templates/conversations/conversation.html
@@ -6,7 +6,7 @@
 {% block extra_css %}
 <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" rel="stylesheet" />
 <link href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" rel="stylesheet" />
-<link rel="stylesheet" href="{{ url_for('static', filename='css/conversation.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/conversation.css') }}?v={{ 'css/conversation.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -200,8 +200,8 @@
     window.currentUserId = "{{ current_user.id }}";
     window.sendMessageUrl = "{{ url_for('conversations.send_message', conversation_id=conversation.id) }}";
 </script>
-<script src="{{ url_for('static', filename='js/chat-manager.js', v=config.CSS_VERSION) }}"></script>
-<script src="{{ url_for('static', filename='js/conversation.js', v=config.CSS_VERSION) }}"></script>
-<script src="{{ url_for('static', filename='js/member-management.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/chat-manager.js') }}?v={{ 'js/chat-manager.js'|asset_version }}"></script>
+<script src="{{ url_for('static', filename='js/conversation.js') }}?v={{ 'js/conversation.js'|asset_version }}"></script>
+<script src="{{ url_for('static', filename='js/member-management.js') }}?v={{ 'js/member-management.js'|asset_version }}"></script>
 {% endblock %}
 {% endblock content %} 
\ No newline at end of file
diff --git a/templates/conversations/conversations.html b/templates/conversations/conversations.html
index 624b3aa..48a4391 100644
--- a/templates/conversations/conversations.html
+++ b/templates/conversations/conversations.html
@@ -122,6 +122,6 @@
 </div>
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/conversations-list.js') }}"></script>
+<script src="{{ url_for('static', filename='js/conversations-list.js') }}?v={{ 'js/conversations-list.js'|asset_version }}"></script>
 {% endblock %}
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/conversations/create_conversation.html b/templates/conversations/create_conversation.html
index e92f3e1..474582e 100644
--- a/templates/conversations/create_conversation.html
+++ b/templates/conversations/create_conversation.html
@@ -6,7 +6,7 @@
 {% block extra_css %}
 <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" rel="stylesheet" />
 <link href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" rel="stylesheet" />
-<link href="{{ url_for('static', filename='css/member-management.css', v=config.CSS_VERSION) }}" rel="stylesheet" />
+<link href="{{ url_for('static', filename='css/member-management.css') }}?v={{ 'css/member-management.css'|asset_version }}" rel="stylesheet" />
 <style>
     .member-avatar {
         width: 40px;
@@ -163,5 +163,5 @@
 {% block extra_js %}
 <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js"></script>
-<script src="{{ url_for('static', filename='js/create-conversation.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/create-conversation.js') }}?v={{ 'js/create-conversation.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/dashboard/dashboard.html b/templates/dashboard/dashboard.html
index 4ab82a2..1f644f6 100644
--- a/templates/dashboard/dashboard.html
+++ b/templates/dashboard/dashboard.html
@@ -4,7 +4,7 @@
 {% block title %}Dashboard - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/dashboard.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/dashboard.css') }}?v={{ 'css/dashboard.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
diff --git a/templates/home.html b/templates/home.html
index 8503e83..4131cfd 100644
--- a/templates/home.html
+++ b/templates/home.html
@@ -6,7 +6,7 @@
     <title>DocuPulse - Legal Document Management</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
     <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/home.css', v=config.CSS_VERSION) }}">
+    <link rel="stylesheet" href="{{ url_for('static', filename='css/home.css') }}?v={{ 'css/home.css'|asset_version }}">
 </head>
 <body>
     <!-- Navigation -->
diff --git a/templates/notifications/notifications.html b/templates/notifications/notifications.html
index c3e24f3..027a56e 100644
--- a/templates/notifications/notifications.html
+++ b/templates/notifications/notifications.html
@@ -181,6 +181,6 @@
 </div>
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/notifications.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/notifications.js') }}?v={{ 'js/notifications.js'|asset_version }}"></script>
 {% endblock %}
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/profile/profile.html b/templates/profile/profile.html
index 60aa1d4..826eca9 100644
--- a/templates/profile/profile.html
+++ b/templates/profile/profile.html
@@ -105,6 +105,6 @@
 </div>
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/avatar-preview.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/avatar-preview.js') }}?v={{ 'js/avatar-preview.js'|asset_version }}"></script>
 {% endblock %}
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/rooms/room.html b/templates/rooms/room.html
index fb27a19..f956fb0 100644
--- a/templates/rooms/room.html
+++ b/templates/rooms/room.html
@@ -4,7 +4,7 @@
 {% block title %}{{ room.name }} - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/room.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/room.css') }}?v={{ 'css/room.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -289,10 +289,10 @@
     // Test if modules are working
     console.log('Module system is working');
 </script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/room.js', v=config.CSS_VERSION) }}"></script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/fileManager.js', v=config.CSS_VERSION) }}"></script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/viewManager.js', v=config.CSS_VERSION) }}"></script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/uploadManager.js', v=config.CSS_VERSION) }}"></script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/searchManager.js', v=config.CSS_VERSION) }}"></script>
-<script type="module" src="{{ url_for('static', filename='js/rooms/modalManager.js', v=config.CSS_VERSION) }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/room.js') }}?v={{ 'js/rooms/room.js'|asset_version }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/fileManager.js') }}?v={{ 'js/rooms/fileManager.js'|asset_version }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/viewManager.js') }}?v={{ 'js/rooms/viewManager.js'|asset_version }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/uploadManager.js') }}?v={{ 'js/rooms/uploadManager.js'|asset_version }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/searchManager.js') }}?v={{ 'js/rooms/searchManager.js'|asset_version }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/rooms/modalManager.js') }}?v={{ 'js/rooms/modalManager.js'|asset_version }}"></script>
 {% endblock %}
\ No newline at end of file
diff --git a/templates/rooms/room_members.html b/templates/rooms/room_members.html
index ac328f1..1aa9c1b 100644
--- a/templates/rooms/room_members.html
+++ b/templates/rooms/room_members.html
@@ -6,7 +6,7 @@
 {% block extra_css %}
 <link href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" rel="stylesheet" />
 <link href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" rel="stylesheet" />
-<link href="{{ url_for('static', filename='css/room_members.css', v=config.CSS_VERSION) }}" rel="stylesheet" />
+<link href="{{ url_for('static', filename='css/room_members.css') }}?v={{ 'css/room_members.css'|asset_version }}" rel="stylesheet" />
 <style>
     .form-check-input:checked {
         background-color: var(--primary-color);
@@ -136,5 +136,5 @@
 {% block extra_js %}
 <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js"></script>
-<script src="{{ url_for('static', filename='js/room-members.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/room-members.js') }}?v={{ 'js/room-members.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/rooms/rooms.html b/templates/rooms/rooms.html
index 5273ff4..d0fb54b 100644
--- a/templates/rooms/rooms.html
+++ b/templates/rooms/rooms.html
@@ -4,7 +4,7 @@
 {% block title %}Rooms - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/rooms.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/rooms.css') }}?v={{ 'css/rooms.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -133,6 +133,6 @@
 </div>
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/rooms-list.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/rooms-list.js') }}?v={{ 'js/rooms-list.js'|asset_version }}"></script>
 {% endblock %}
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/settings/settings.html b/templates/settings/settings.html
index ded4261..d0931d5 100644
--- a/templates/settings/settings.html
+++ b/templates/settings/settings.html
@@ -13,7 +13,7 @@
 {% block title %}Settings - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/settings.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/settings.css') }}?v={{ 'css/settings.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -124,6 +124,6 @@
 {% endblock %}
 
 {% block extra_js %}
-<script src="{{ url_for('static', filename='js/settings.js', v=config.CSS_VERSION) }}"></script>
-<script src="{{ url_for('static', filename='js/events.js', v=config.CSS_VERSION) }}"></script>
+<script src="{{ url_for('static', filename='js/settings.js') }}?v={{ 'js/settings.js'|asset_version }}"></script>
+<script src="{{ url_for('static', filename='js/events.js') }}?v={{ 'js/events.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/starred/starred.html b/templates/starred/starred.html
index 277272a..1ef150a 100644
--- a/templates/starred/starred.html
+++ b/templates/starred/starred.html
@@ -4,7 +4,7 @@
 {% block title %}Starred - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/starred.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/starred.css') }}?v={{ 'css/starred.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -42,6 +42,6 @@
 {% endblock %}
 
 {% block extra_js %}
-<script type="module" src="{{ url_for('static', filename='js/file-grid.js', v=config.CSS_VERSION) }}"></script>
-<script src="{{ url_for('static', filename='js/starred.js', v=config.CSS_VERSION) }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/file-grid.js') }}?v={{ 'js/file-grid.js'|asset_version }}"></script>
+<script src="{{ url_for('static', filename='js/starred.js') }}?v={{ 'js/starred.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/templates/trash/trash.html b/templates/trash/trash.html
index 552c455..26f86f5 100644
--- a/templates/trash/trash.html
+++ b/templates/trash/trash.html
@@ -4,7 +4,7 @@
 {% block title %}Trash - DocuPulse{% endblock %}
 
 {% block extra_css %}
-<link rel="stylesheet" href="{{ url_for('static', filename='css/trash.css', v=config.CSS_VERSION) }}">
+<link rel="stylesheet" href="{{ url_for('static', filename='css/trash.css') }}?v={{ 'css/trash.css'|asset_version }}">
 {% endblock %}
 
 {% block content %}
@@ -48,6 +48,6 @@
 {% endblock %}
 
 {% block extra_js %}
-<script type="module" src="{{ url_for('static', filename='js/file-grid.js', v=config.CSS_VERSION) }}"></script>
-<script src="{{ url_for('static', filename='js/trash.js', v=config.CSS_VERSION) }}"></script>
+<script type="module" src="{{ url_for('static', filename='js/file-grid.js') }}?v={{ 'js/file-grid.js'|asset_version }}"></script>
+<script src="{{ url_for('static', filename='js/trash.js') }}?v={{ 'js/trash.js'|asset_version }}"></script>
 {% endblock %} 
\ No newline at end of file
diff --git a/utils/asset_utils.py b/utils/asset_utils.py
new file mode 100644
index 0000000..c1279bc
--- /dev/null
+++ b/utils/asset_utils.py
@@ -0,0 +1,49 @@
+import os
+import hashlib
+from functools import lru_cache
+from flask import current_app
+
+@lru_cache(maxsize=128)
+def get_file_hash(filepath):
+    """
+    Get the MD5 hash of a file's contents.
+    Uses LRU cache to avoid re-reading files that haven't changed.
+    
+    Args:
+        filepath: The path to the file
+        
+    Returns:
+        str: The MD5 hash of the file contents
+    """
+    try:
+        with open(filepath, 'rb') as f:
+            return hashlib.md5(f.read()).hexdigest()
+    except (IOError, OSError):
+        return None
+
+def get_asset_version(filename):
+    """
+    Get the version hash for a static asset.
+    
+    Args:
+        filename: The filename of the static asset
+        
+    Returns:
+        str: The version hash or None if file not found
+    """
+    if not filename:
+        return None
+        
+    # Get the absolute path to the static file
+    static_dir = os.path.join(current_app.root_path, 'static')
+    filepath = os.path.join(static_dir, filename)
+    
+    # Get the file hash
+    file_hash = get_file_hash(filepath)
+    
+    # If file not found or error reading, return None
+    if not file_hash:
+        return None
+        
+    # Return first 8 characters of hash as version
+    return file_hash[:8] 
\ No newline at end of file
