diff --git a/.github/workflows/codeception.yml b/.github/workflows/codeception.yml
index 6c6332e..6e1bd63 100644
--- a/.github/workflows/codeception.yml
+++ b/.github/workflows/codeception.yml
@@ -1,9 +1,9 @@
 name: Codeception
 on:
     push:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
     pull_request:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
 
 jobs:
     codeception:
@@ -32,7 +32,7 @@ jobs:
             MYSQL_DATABASE: dachcom_bundle_test
         services:
             mysql:
-                image: mysql:5.7
+                image: mysql:8.0
                 env:
                     MYSQL_ROOT_PASSWORD: root
                     MYSQL_DATABASE: dachcom_bundle_test
@@ -72,7 +72,7 @@ jobs:
                     ls -al pimcore-codeception-framework
                     chmod +x ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
                     ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
-                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "dev-master",g' composer.json
+                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "1.x-dev",g' composer.json
 
             -   name: Install PHP
                 uses: shivammathur/setup-php@v2
@@ -91,7 +91,7 @@ jobs:
             -   name: Verify MySql Connection
                 run: |
                     sudo apt-get update
-                    sudo apt-get install -y mysql-client
+                    sudo apt-get install -y mysql-client-8.0
                     mysql -uroot -h127.0.0.1 -proot -e "SHOW DATABASES"
 
             -   name: Setup MySql
diff --git a/.github/workflows/ecs.yml b/.github/workflows/ecs.yml
index e82a84e..f93afdc 100644
--- a/.github/workflows/ecs.yml
+++ b/.github/workflows/ecs.yml
@@ -1,9 +1,9 @@
 name: Easy Coding Standards
 on:
     push:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
     pull_request:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
 
 jobs:
     ecs:
@@ -31,7 +31,7 @@ jobs:
             MYSQL_DATABASE: dachcom_bundle_test
         services:
             mysql:
-                image: mysql:5.7
+                image: mysql:8.0
                 env:
                     MYSQL_ROOT_PASSWORD: root
                     MYSQL_DATABASE: dachcom_bundle_test
@@ -68,7 +68,7 @@ jobs:
                     ls -al pimcore-codeception-framework
                     chmod +x ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
                     ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
-                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "dev-master",g' composer.json
+                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "1.x-dev",g' composer.json
 
             -   name: Install PHP
                 uses: shivammathur/setup-php@v2
@@ -87,7 +87,7 @@ jobs:
             -   name: Verify MySql Connection
                 run: |
                     sudo apt-get update
-                    sudo apt-get install -y mysql-client
+                    sudo apt-get install -y mysql-client-8.0
                     mysql -uroot -h127.0.0.1 -proot -e "SHOW DATABASES"
 
             -   name: Setup MySql
diff --git a/.github/workflows/php-stan.yml b/.github/workflows/php-stan.yml
index 484adad..e62eb06 100644
--- a/.github/workflows/php-stan.yml
+++ b/.github/workflows/php-stan.yml
@@ -1,9 +1,9 @@
 name: PHP Stan
 on:
     push:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
     pull_request:
-        branches: [ 'master' ]
+        branches: [ '1.x' ]
 
 jobs:
     stan:
@@ -31,7 +31,7 @@ jobs:
             MYSQL_DATABASE: dachcom_bundle_test
         services:
             mysql:
-                image: mysql:5.7
+                image: mysql:8.0
                 env:
                     MYSQL_ROOT_PASSWORD: root
                     MYSQL_DATABASE: dachcom_bundle_test
@@ -67,7 +67,7 @@ jobs:
                     ls -al pimcore-codeception-framework
                     chmod +x ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
                     ./pimcore-codeception-framework/src/_etc/scripts/setup.sh
-                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "dev-master",g' composer.json
+                    sed -i 's,\("dachcom-digital\/dynamic-search"\): "\(.*\)",\1: "1.x-dev",g' composer.json
 
             -   name: Install PHP
                 uses: shivammathur/setup-php@v2
@@ -86,7 +86,7 @@ jobs:
             -   name: Verify MySql Connection
                 run: |
                     sudo apt-get update
-                    sudo apt-get install -y mysql-client
+                    sudo apt-get install -y mysql-client-8.0
                     mysql -uroot -h127.0.0.1 -proot -e "SHOW DATABASES"
 
             -   name: Setup MySql
diff --git a/README.md b/README.md
index 4a84a4b..c098c1f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A Index Storage Extension for [Pimcore Dynamic Search](https://github.com/dachco
 ## Requirements
 - Pimcore >= 6.6
 - Symfony >= 4.4
-- Pimcore Dynamic Search
+- Pimcore Dynamic Search 1.0
 
 ***
 
diff --git a/composer.json b/composer.json
index 618a2d8..30735f5 100644
--- a/composer.json
+++ b/composer.json
@@ -26,15 +26,10 @@
             "app/TestKernel.php"
         ]
     },
-    "extra": {
-        "branch-alias": {
-            "dev-master": "1.0-dev"
-        }
-    },
     "require": {
         "symfony/symfony": "^4|^5",
         "pimcore/pimcore": "^6.6",
-        "dachcom-digital/dynamic-search": "^0.7",
+        "dachcom-digital/dynamic-search": "^1.0",
         "elasticsearch/elasticsearch": "^7.0",
         "ongr/elasticsearch-dsl": "~7.1.0"
     },