diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 481f1c8..d3fb0a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ on:
 jobs:
   Silverstripe:
     name: 'Silverstripe (bundle)'
-    uses: nswdpc/ci-files/.github/workflows/silverstripe_53_83.yml@v-4
+    uses: nswdpc/ci-files/.github/workflows/silverstripe_6_83.yml@v-4
   PHPStan:
     name: 'PHPStan (analyse)'
     uses: nswdpc/ci-files/.github/workflows/phpstan.silverstripe_83.yml@v-4
diff --git a/composer.json b/composer.json
index 87a39de..ca4f6db 100644
--- a/composer.json
+++ b/composer.json
@@ -17,11 +17,11 @@
         }
     ],
     "require": {
-        "silverstripe/framework" : "^5"
+        "silverstripe/framework" : "^6"
     },
     "require-dev": {
         "cambis/silverstripe-rector": "^2",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^11.5",
         "cambis/silverstan": "^2",
         "nswdpc/ci-files": "dev-v-4",
         "friendsofphp/php-cs-fixer": "^3",
@@ -31,8 +31,8 @@
     },
     "scripts": {
         "phpstan-analyse": "./vendor/bin/phpstan analyse --ansi --no-progress --no-interaction --configuration vendor/nswdpc/ci-files/phpstan/.phpstan.silverstripe.neon src/ tests/",
-        "rector-dryrun": "./vendor/bin/rector process --dry-run --ansi --config vendor/nswdpc/ci-files/rector/.rector.silverstripe_53_83.php src/ tests/",
-        "rector-process": "./vendor/bin/rector process --no-diffs --ansi --config vendor/nswdpc/ci-files/rector/.rector.silverstripe_53_83.php src/ tests/",
+        "rector-dryrun": "./vendor/bin/rector process --dry-run --ansi --config vendor/nswdpc/ci-files/rector/.rector.silverstripe_6_83.php src/ tests/",
+        "rector-process": "./vendor/bin/rector process --no-diffs --ansi --config vendor/nswdpc/ci-files/rector/.rector.silverstripe_6_83.php src/ tests/",
         "phpcsfixer-fix": "./vendor/bin/php-cs-fixer fix --ansi --no-interaction --config vendor/nswdpc/ci-files/php-cs-fixer/.php-cs-fixer.php src/ tests/"
     },
     "extra": {