diff --git a/.travis.yml b/.travis.yml
index 161877a803ed82f5a1226cd249135f693503159a..a2e281249eaf494833a185c6159e8efe391382a0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@ php:
 
 env:
  global:
-  - MOODLE_BRANCH=MOODLE_32_STABLE
+  - MOODLE_BRANCH=MOODLE_33_STABLE
  matrix:
   - DB=pgsql
   - DB=mysqli
diff --git a/CHANGES.md b/CHANGES.md
index 379933c751445bba8983153b712951c05113ed35..ba39284cd619b8ff1af778f7e859580c9389d478 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,8 +6,7 @@ Changes
 
 ### Unreleased
 
-* 2017-12-05 - Added Workaround to travis.yml for fixing Behat tests with TravisCI.
-* 2017-11-08 - Updated travis.yml to use newer node version for fixing TravisCI error.
+* 2017-12-12 - Prepare compatibility for Moodle 3.3, no functionality change.
 
 ### v3.2-r6
 
diff --git a/README.md b/README.md
index b68eb81965cb47c1c20458efeb9d7424c8cc5fb2..bc151c02bb494fa079e61d6f4079e7d4c993688e 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Moodle block which provides all functionality of block_course_overview, provides
 Requirements
 ------------
 
-This plugin requires Moodle 3.2+
+This plugin requires Moodle 3.3+
 
 
 Motivation for this plugin
@@ -205,9 +205,8 @@ If you want to use this plugin with a RTL language and it doesn't work as-is, yo
 PHP7 Support
 ------------
 
-Since Moodle 3.0, Moodle core basically supports PHP7.
-Please note that PHP7 support is on our roadmap for this plugin, but it has not yet been thoroughly tested for PHP7 support and we are still running it in production on PHP5.
-If you encounter any success or failure with this plugin and PHP7, please let us know.
+Moodle core recommends PHP7. Starting with the Moodle 3.3 release of this plugin, we are developing and testing it for PHP7 only.
+If you are still running this plugin on PHP5, please think about upgrading to PHP7.
 
 
 Copyright
diff --git a/version.php b/version.php
index 432e2fae26f08a8c0a852fd3aaba4cc746bae2cf..2a34afb3e228bd59584b087fa0085103e7ea333f 100644
--- a/version.php
+++ b/version.php
@@ -27,5 +27,5 @@ defined('MOODLE_INTERNAL') || die();
 $plugin->component = 'block_course_overview_campus';
 $plugin->version = 2017063000;
 $plugin->release = 'v3.2-r6';
-$plugin->requires = 2016120500;
+$plugin->requires = 2017051500;
 $plugin->maturity = MATURITY_STABLE;