diff --git a/plinth/modules/apache/__init__.py b/plinth/modules/apache/__init__.py
index ba8bd67af..628f7fc7b 100644
--- a/plinth/modules/apache/__init__.py
+++ b/plinth/modules/apache/__init__.py
@@ -22,7 +22,7 @@ class ApacheApp(app_module.App):
 
     app_id = 'apache'
 
-    _version = 12
+    _version = 13
 
     def __init__(self) -> None:
         """Create components for the app."""
diff --git a/plinth/modules/apache/privileged.py b/plinth/modules/apache/privileged.py
index 812df5c1f..b3e07b761 100644
--- a/plinth/modules/apache/privileged.py
+++ b/plinth/modules/apache/privileged.py
@@ -129,6 +129,11 @@ def setup(old_version: int):
         # enable users to share files uploaded to ~/public_html
         webserver.enable('userdir', kind='module')
 
+        # enable WebDAV protocol. Used by feather wiki and potentially by other
+        # apps and file sharing.
+        webserver.enable('dav', kind='module')
+        webserver.enable('dav_fs', kind='module')
+
         # setup freedombox site
         webserver.enable('freedombox', kind='config')
         webserver.enable('freedombox-tls', kind='config')