diff --git a/.github/workflows/auto-assign.yml b/.github/workflows/auto-assign.yml
index 6a9bba4..b1c4e50 100644
--- a/.github/workflows/auto-assign.yml
+++ b/.github/workflows/auto-assign.yml
@@ -1,9 +1,12 @@
-name: Auto assign issues
+name: Auto assign issues and pull requests
 
 on:
   issues:
     types:
       - opened
+  pull_request:
+    types:
+      - opened
 
 jobs:
   run:
@@ -12,11 +15,11 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - name: Assign issues
-        uses: gustavofreze/auto-assign@1.0.0
+      - name: Assign issues and pull requests
+        uses: gustavofreze/auto-assign@1.1.4
         with:
           assignees: '${{ secrets.ASSIGNEES }}'
           github_token: '${{ secrets.GITHUB_TOKEN }}'
           allow_self_assign: 'true'
           allow_no_assignees: 'true'
-          assignment_options: 'ISSUE'
\ No newline at end of file
+          assignment_options: 'ISSUE,PULL_REQUEST'
\ No newline at end of file
diff --git a/composer.json b/composer.json
index fa2b34c..ba27b55 100644
--- a/composer.json
+++ b/composer.json
@@ -42,6 +42,7 @@
         "php": "^8.3",
         "symfony/process": "^7.1",
         "tiny-blocks/ksuid": "^1",
+        "tiny-blocks/mapper": "^1",
         "tiny-blocks/collection": "^1"
     },
     "require-dev": {
diff --git a/src/Internal/Containers/Models/Address/Ports.php b/src/Internal/Containers/Models/Address/Ports.php
index 72b3409..6fd0048 100644
--- a/src/Internal/Containers/Models/Address/Ports.php
+++ b/src/Internal/Containers/Models/Address/Ports.php
@@ -5,8 +5,8 @@
 namespace TinyBlocks\DockerContainer\Internal\Containers\Models\Address;
 
 use TinyBlocks\Collection\Collection;
-use TinyBlocks\Collection\PreserveKeys;
 use TinyBlocks\DockerContainer\Contracts\Ports as ContainerPorts;
+use TinyBlocks\Mapper\KeyPreservation;
 
 final readonly class Ports implements ContainerPorts
 {
@@ -18,7 +18,7 @@ public static function createFrom(array $elements): Ports
     {
         $exposedPorts = Collection::createFrom($elements['exposedPorts'])
             ->filter()
-            ->toArray(preserveKeys: PreserveKeys::DISCARD);
+            ->toArray(keyPreservation: KeyPreservation::DISCARD);
 
         return new Ports(exposedPorts: $exposedPorts);
     }
diff --git a/tests/Integration/DockerContainerTest.php b/tests/Integration/DockerContainerTest.php
index 9ca415e..95446e0 100644
--- a/tests/Integration/DockerContainerTest.php
+++ b/tests/Integration/DockerContainerTest.php
@@ -47,7 +47,7 @@ public function testMultipleContainersAreRunSuccessfully(): void
         /** @Given a Flyway container is configured to perform database migrations */
         $jdbcUrl = $mySQLContainer->getJdbcUrl();
 
-        $flywayContainer = GenericDockerContainer::from(image: 'flyway/flyway:11.0.0')
+        $flywayContainer = GenericDockerContainer::from(image: 'flyway/flyway:11.1.0')
             ->withNetwork(name: 'tiny-blocks')
             ->copyToContainer(pathOnHost: '/test-adm-migrations', pathOnContainer: '/flyway/sql')
             ->withVolumeMapping(pathOnHost: '/test-adm-migrations', pathOnContainer: '/flyway/sql')