diff --git a/Documentation/Changelog/1.1.1.rst b/Documentation/Changelog/1.1.1.rst
new file mode 100644
index 0000000..b68b614
--- /dev/null
+++ b/Documentation/Changelog/1.1.1.rst
@@ -0,0 +1,31 @@
+1.1.1
+=====
+
+Breaking
+--------
+
+Nothing
+
+Features
+--------
+
+Nothing
+
+Fixes
+-----
+
+Nothing
+
+Tasks
+-----
+
+* Adopt functional tests for latest TYPO3.
+
+  TYPO3 now would return a 404 if cHash doesn't match.
+  We now exclude the parameters within our functional tests to not run into this issue.
+
+Deprecation
+-----------
+
+Nothing
+
diff --git a/Tests/Functional/CalendarControllerTest.php b/Tests/Functional/CalendarControllerTest.php
index d0e5ce5..c412cc6 100644
--- a/Tests/Functional/CalendarControllerTest.php
+++ b/Tests/Functional/CalendarControllerTest.php
@@ -46,6 +46,17 @@ class CalendarControllerTest extends FunctionalTestCase
         'typo3conf/ext/calendar/Tests/Fixtures/Sites' => 'typo3conf/sites',
     ];
 
+    protected $configurationToUseInTestInstance = [
+        'FE' => [
+            'cacheHash' => [
+                'excludedParameters' => [
+                    '^tx_calendar_example[',
+                    '^typoScriptDefaults',
+                ],
+            ],
+        ],
+    ];
+
     protected function setUp(): void
     {
         parent::setUp();
diff --git a/ext_emconf.php b/ext_emconf.php
index 01b4dca..80d6d14 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -10,7 +10,7 @@ $EM_CONF['calendar'] = [
     'state' => 'alpha',
     'uploadfolder' => 0,
     'clearCacheOnLoad' => 0,
-    'version' => '1.1.0',
+    'version' => '1.1.1',
     'constraints' => [
         'depends' => [
             'typo3' => '*',