diff --git a/SOPE/GDLContentStore/GCSFolder.h b/SOPE/GDLContentStore/GCSFolder.h
index 1d9627b47..919e0d2a1 100644
--- a/SOPE/GDLContentStore/GCSFolder.h
+++ b/SOPE/GDLContentStore/GCSFolder.h
@@ -123,6 +123,7 @@
 
 - (NSException *) deleteContentWithName: (NSString *) _name;
 - (NSException *) deleteAllContent;
+- (NSException *) touchContentWithName: (NSString *) _name;
 
 - (NSException *) deleteFolder;
 
diff --git a/SOPE/GDLContentStore/GCSFolder.m b/SOPE/GDLContentStore/GCSFolder.m
index 644d6351c..e3679026a 100644
--- a/SOPE/GDLContentStore/GCSFolder.m
+++ b/SOPE/GDLContentStore/GCSFolder.m
@@ -1187,7 +1187,7 @@ andAttribute: (EOAttribute *)_attribute
   return error;
 }
 
-- (NSException *)deleteContentWithName:(NSString *)_name {
+- (NSException *) deleteContentWithName:(NSString *)_name {
   EOAdaptorChannel *storeChannel, *quickChannel;
   EOAdaptorContext *adaptorCtx;
   NSException *error;
@@ -1195,7 +1195,6 @@ andAttribute: (EOAttribute *)_attribute
   NSCalendarDate *nowDate;
   
   /* check preconditions */
-  
   if (_name == nil) {
     return [NSException exceptionWithName:@"GCSDeleteException"
 			reason:@"no content filename was provided"
@@ -1334,6 +1333,58 @@ andAttribute: (EOAttribute *)_attribute
     return error;
 }
 
+- (NSException *) touchContentWithName: (NSString *) _name
+{
+  NSString *touchSql, *table;
+  EOAdaptorContext *adaptorCtx;
+  EOAdaptorChannel *channel;
+  EOAttribute *attribute;
+  NSCalendarDate *nowDate;
+
+  if (_name == nil)
+      return [NSException exceptionWithName: @"GCSDeleteException"
+				     reason: @"no content filename was provided"
+				   userInfo: nil];
+
+  channel = [self acquireStoreChannel];
+
+  if ((channel = [self acquireStoreChannel]) == nil)
+    {
+      [self errorWithFormat:@"could not open storage channel!"];
+      return nil;
+    }
+
+  adaptorCtx = [channel adaptorContext];
+  [adaptorCtx beginTransaction];
+
+  table = [self storeTableName];
+  attribute = [self _attributeForColumn: @"c_name"];
+  nowDate = [NSCalendarDate date];
+
+  if ([GCSFolderManager singleStoreMode])
+    touchSql = [NSString stringWithFormat: @"UPDATE %@ SET c_lastmodified = %u WHERE c_name = %@ AND c_folder_id = %@",
+			 table,
+			 (unsigned int) [nowDate timeIntervalSince1970],
+		    [self _formatRowValue: _name
+			      withAdaptor: [adaptorCtx adaptor]
+			     andAttribute: attribute],
+			 folderId];
+  else
+    touchSql = [NSString stringWithFormat: @"UPDATE %@ SET c_lastmodified = %u WHERE c_name = %@",
+			 table,
+			 (unsigned int) [nowDate timeIntervalSince1970],
+		    [self _formatRowValue: _name
+			      withAdaptor: [adaptorCtx adaptor]
+			     andAttribute: attribute]];
+
+  [channel evaluateExpressionX: touchSql];
+
+  [[channel adaptorContext] commitTransaction];
+  [self releaseChannel: channel];
+
+  return nil;
+}
+
 - (NSException *)deleteFolder {
   EOAdaptorChannel *channel;
   NSString *delsql;
diff --git a/SoObjects/SOGo/SOGoContentObject.h b/SoObjects/SOGo/SOGoContentObject.h
index fbd0e7365..411007486 100644
--- a/SoObjects/SOGo/SOGoContentObject.h
+++ b/SoObjects/SOGo/SOGoContentObject.h
@@ -1,6 +1,6 @@
 /*
-  Copyright (C) 2004 SKYRIX Software AG
-  Copyright (C) 2005-2014 Inverse inc.
+  Copyright (C) 2006-2016 Inverse inc.
+  Copyright (C) 2004-2005 SKYRIX Software AG
 
   This file is part of SOGo.
 
@@ -74,6 +74,7 @@
 - (NSException *) copyToFolder: (SOGoGCSFolder *) newFolder;
 - (NSException *) moveToFolder: (SOGoGCSFolder *) newFolder;
 - (NSException *) delete;
+- (NSException *) touch;
 
 /* DAV support */
 
diff --git a/SoObjects/SOGo/SOGoContentObject.m b/SoObjects/SOGo/SOGoContentObject.m
index 9e7ecb0e3..137c59529 100644
--- a/SoObjects/SOGo/SOGoContentObject.m
+++ b/SoObjects/SOGo/SOGoContentObject.m
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 2006-2014 Inverse inc.
+  Copyright (C) 2006-2016 Inverse inc.
   Copyright (C) 2004-2005 SKYRIX Software AG
 
   This file is part of SOGo.
@@ -260,16 +260,17 @@
   NSException *ex;
   
   // TODO: add precondition check? (or add DELETEAction?)
-  
-  if ((folder = [container ocsFolder]) == nil) {
-    [self errorWithFormat:@"Did not find folder of content object."];
-    return nil;
-  }
-  
-  if ((ex = [folder deleteContentWithName:[self nameInContainer]])) {
-    [self errorWithFormat:@"delete failed: %@", ex];
-    return ex;
-  }
+  if ((folder = [container ocsFolder]) == nil)
+    {
+      [self errorWithFormat: @"Did not find folder of content object."];
+      return nil;
+    }
+
+  if ((ex = [folder deleteContentWithName:[self nameInContainer]]))
+    {
+      [self errorWithFormat:@"delete failed: %@", ex];
+      return ex;
+    }
 
   [container removeChildRecordWithName: nameInContainer];
   [[SOGoCache sharedCache] unregisterObjectWithName: nameInContainer
@@ -278,24 +279,36 @@
   return nil;
 }
 
+- (NSException *) touch
+{
+  NSCalendarDate *now;
+  GCSFolder *folder;
+  NSException *ex;
+
+  if ((folder = [container ocsFolder]) == nil)
+    {
+      [self errorWithFormat: @"Did not find folder of content object."];
+      return nil;
+    }
+
+  if ((ex = [folder touchContentWithName: nameInContainer]))
+    {
+      [self errorWithFormat: @"touch failed: %@", ex];
+      return ex;
+    }
+
+  now = [NSCalendarDate calendarDate];
+  ASSIGN(lastModified, now);
+
+  [container removeChildRecordWithName: nameInContainer];
+  [[SOGoCache sharedCache] unregisterObjectWithName: nameInContainer
+                                        inContainer: container];
+
+  return nil;
+}
+
+
 /* actions */
-
-// - (id) lookupName:
-// {
-//   SoSelectorInvocation *invocation;
-//   NSString *name;
-
-//   name = [NSString stringWithFormat: @"%@:", [_key davMethodToObjC]];
-
-//   invocation = [[SoSelectorInvocation alloc]
-//                  initWithSelectorNamed: name
-//                  addContextParameter: YES];
-//   [invocation autorelease];
-
-//   return invocation;
-
-// }
-
 - (id) PUTAction: (WOContext *) _ctx
 {
   WORequest *rq;