diff --git a/data/deleted.files b/data/deleted.files
index 4b9657da203793f9462d0289abad60e2ed668d5b..664086c25d1365d220507d42e0c960df67bde483 100644
--- a/data/deleted.files
+++ b/data/deleted.files
@@ -4,6 +4,9 @@
 # A copy of this list is maintained at
 # http://www.dokuwiki.org/install:upgrade#files_to_remove
 
+# removed in 2013-05-10
+lib/plugins/info/lang/sl/lang.php
+
 # removed in 2013-04-06
 inc/adLDAP.php
 inc/auth/ad.class.php
diff --git a/doku.php b/doku.php
index c058bb64aef29556ea328c36ab3e547b6d4cefa4..9aeb300138f2b407837bf1db5e20dba05eff1d8a 100644
--- a/doku.php
+++ b/doku.php
@@ -9,7 +9,7 @@
  */
 
 // update message version
-$updateVersion = 39;
+$updateVersion = 40;
 
 //  xdebug_start_profiling();
 
diff --git a/install.php b/install.php
index 53ef4a17588612d02d74f01de75f09750b1af8d9..24f06608d61ef0274191b584ee708c1e50c9575a 100644
--- a/install.php
+++ b/install.php
@@ -55,7 +55,7 @@ $dokuwiki_hash = array(
     '2011-11-10'   => 'b46ff19a7587966ac4df61cbab1b8b31',
     '2012-01-25'   => '72c083c73608fc43c586901fd5dabb74',
     '2012-09-10'   => 'eb0b3fc90056fbc12bac6f49f7764df3',
-    '2013-04-06'   => '7b62b75245f57f122d3e0f8ed7989623',
+    '2013-05-10'   => '7b62b75245f57f122d3e0f8ed7989623',
 );