diff --git a/.github/workflows/moodle-ci.yml b/.github/workflows/moodle-ci.yml
index 5279370..1738274 100644
--- a/.github/workflows/moodle-ci.yml
+++ b/.github/workflows/moodle-ci.yml
@@ -39,18 +39,9 @@ jobs:
       fail-fast: false
       matrix:
         php: ['8.1', '8.2', '8.3']
-        moodle-branch: ['MOODLE_401_STABLE', 'MOODLE_402_STABLE', 'MOODLE_403_STABLE', 'MOODLE_404_STABLE']
+        moodle-branch: ['MOODLE_404_STABLE', 'MOODLE_405_STABLE']
         database: [pgsql, mariadb]
         experimental: [false]
-        exclude:
-          - php: '8.2'
-            moodle-branch: 'MOODLE_401_STABLE'
-          - php: '8.3'
-            moodle-branch: 'MOODLE_401_STABLE'
-          - php: '8.3'
-            moodle-branch: 'MOODLE_402_STABLE'
-          - php: '8.3'
-            moodle-branch: 'MOODLE_403_STABLE'
         include:
           - php: '8.3'
             moodle-branch: 'main'
@@ -146,12 +137,7 @@ jobs:
         continue-on-error: true
         env:
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN  }}
-        if: ${{ matrix.php == '8.1' && matrix.moodle-branch == 'MOODLE_401_STABLE' && matrix.database == 'mariadb' }}
+        if: ${{ matrix.php == '8.3' && matrix.moodle-branch == 'MOODLE_405_STABLE' && matrix.database == 'mariadb' }}
         run: |
           # "pending completion" coveralls issue also appeared directly using php-coveralls
           moodle-plugin-ci coveralls-upload
-
-      - name: "Coveralls: Close parallel build (workaround)"
-        uses: coverallsapp/github-action@v2
-        with:
-          parallel-finished: true
diff --git a/README.md b/README.md
index 93957b2..2926052 100644
--- a/README.md
+++ b/README.md
@@ -28,14 +28,12 @@ Folgende Versionen werden unterstützt (mit mariadb und postresql getestet):
 
 | Moodle Branch           | PHP Version |
 |-------------------------|-------------|
-| MOODLE_401_STABLE (LTS) | 8.1         |
-| MOODLE_402_STABLE       | 8.1         |
-| MOODLE_402_STABLE       | 8.2         |
-| MOODLE_403_STABLE       | 8.1         |
-| MOODLE_403_STABLE       | 8.2         |
 | MOODLE_404_STABLE       | 8.1         |
 | MOODLE_404_STABLE       | 8.2         |
 | MOODLE_404_STABLE       | 8.3         |
+| MOODLE_405_STABLE (LTS) | 8.1         |
+| MOODLE_405_STABLE (LTS) | 8.2         |
+| MOODLE_405_STABLE (LTS) | 8.3         |
 
 ## Installation
 1. Dieses Plugin benötigt das Plugin `local_adler` als Abhängigkeit. Beide müssen zeitgleich installiert werden (= vor dem upgrade in die Moodle-Installation entpackt sein). Installation siehe `local_adler`
diff --git a/version.php b/version.php
index 0ba8217..f54ec98 100644
--- a/version.php
+++ b/version.php
@@ -7,11 +7,11 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2024060300;
-$plugin->requires = 2022112800;  // Moodle version
+$plugin->version = 2024102600;
+$plugin->requires = 2024042200;  // Moodle version
 $plugin->component = 'availability_adler';
-$plugin->release = '3.0.1-dev';
-$plugin->maturity = MATURITY_ALPHA;
+$plugin->release = '4.0.0-rc.1';
+$plugin->maturity = MATURITY_RC;
 $plugin->dependencies = array(
     'local_logging' => ANY_VERSION,
 );
\ No newline at end of file