diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index 987974315a9..2b7dacc4705 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -4807,7 +4807,7 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2016011301.00);
     }
 
-    if ($oldversion < 2016011500.00) {
+    if ($oldversion < 2016011901.00) {
 
         // Convert calendar_lookahead to nearest new value.
         $transaction = $DB->start_delegated_transaction();
@@ -4847,7 +4847,7 @@ function xmldb_main_upgrade($oldversion) {
         $rs->close();
         $transaction->allow_commit();
 
-        upgrade_main_savepoint(true, 2016011500.00);
+        upgrade_main_savepoint(true, 2016011901.00);
     }
     return true;
 }
diff --git a/version.php b/version.php
index f93371f6cf4..c5099b6e8f4 100644
--- a/version.php
+++ b/version.php
@@ -29,11 +29,11 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2016011500.00;              // YYYYMMDD      = weekly release date of this DEV branch.
+$version  = 2016011901.00;              // YYYYMMDD      = weekly release date of this DEV branch.
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.
 
-$release  = '3.1dev (Build: 20160115)'; // Human-friendly version name
+$release  = '3.1dev (Build: 20160114)'; // Human-friendly version name
 
 $branch   = '31';                       // This version's branch.
 $maturity = MATURITY_ALPHA;             // This version's maturity level.