diff --git a/.github/workflows/build_release.yml b/.github/workflows/build_release.yml
index 876a2ff8..09af06d7 100644
--- a/.github/workflows/build_release.yml
+++ b/.github/workflows/build_release.yml
@@ -19,7 +19,7 @@ jobs:
       APP_ENV: prod
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Composer install
         run: |
diff --git a/.github/workflows/changelog.yaml b/.github/workflows/changelog.yaml
index fead5724..63638c2d 100644
--- a/.github/workflows/changelog.yaml
+++ b/.github/workflows/changelog.yaml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2
 
diff --git a/.github/workflows/composer.yaml b/.github/workflows/composer.yaml
index a0e5a949..e10f4f3a 100644
--- a/.github/workflows/composer.yaml
+++ b/.github/workflows/composer.yaml
@@ -41,7 +41,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
@@ -55,7 +55,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
@@ -70,7 +70,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
diff --git a/.github/workflows/markdown.yaml b/.github/workflows/markdown.yaml
index ae831638..8f0fc259 100644
--- a/.github/workflows/markdown.yaml
+++ b/.github/workflows/markdown.yaml
@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
diff --git a/.github/workflows/php.yaml b/.github/workflows/php.yaml
index b7a68ddf..53263df5 100644
--- a/.github/workflows/php.yaml
+++ b/.github/workflows/php.yaml
@@ -48,7 +48,7 @@ jobs:
     name: PHP - Check Coding Standards
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 45ba7883..a78a44ae 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Composer install
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       # https://taskfile.dev/installation/#github-actions
       - name: Install Task
@@ -37,7 +37,7 @@ jobs:
     name: Test suite
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install Task
         uses: go-task/setup-task@v1
@@ -70,7 +70,7 @@ jobs:
     name: PHPStan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install Task
         uses: go-task/setup-task@v1
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Validate Doctrine Schema
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install Task
         uses: go-task/setup-task@v1
diff --git a/.github/workflows/twig.yaml b/.github/workflows/twig.yaml
index 59098411..83513c3a 100644
--- a/.github/workflows/twig.yaml
+++ b/.github/workflows/twig.yaml
@@ -40,7 +40,7 @@ jobs:
       fail-fast: false
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
diff --git a/.github/workflows/yaml.yaml b/.github/workflows/yaml.yaml
index 631e5259..299d4e1b 100644
--- a/.github/workflows/yaml.yaml
+++ b/.github/workflows/yaml.yaml
@@ -31,7 +31,7 @@ jobs:
   yaml-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create docker network
         run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9a48eed..e2bd7918 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,7 +8,9 @@ See [keep a changelog] for information about writing changes to this log.
 
 ## [Unreleased]
 
-- Updated fixtures. Made event organizer required.
+## [1.2.3] - 2026-03-29
+
+- [PR-68](https://github.com/itk-dev/event-database-imports/pull/68) Made event organizer required for organization users
 
 ## [1.2.2] - 2025-10-07
 
diff --git a/config/packages/messenger.yaml b/config/packages/messenger.yaml
index eced935d..d05ac093 100644
--- a/config/packages/messenger.yaml
+++ b/config/packages/messenger.yaml
@@ -30,6 +30,13 @@ framework:
             'Liip\ImagineBundle\Message\WarmupCache': async
             'Symfony\Component\Mailer\Messenger\SendEmailMessage': async
 
+# Handle all messages synchronously in the dev environment for easier debugging.
+#when@dev:
+#    framework:
+#        messenger:
+#            transports:
+#                async: 'sync://'
+
 when@test:
     framework:
         messenger:
diff --git a/migrations/Version20260309091234.php b/migrations/Version20260309091234.php
new file mode 100644
index 00000000..0882a715
--- /dev/null
+++ b/migrations/Version20260309091234.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20260309091234 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE event CHANGE url url VARCHAR(2048) DEFAULT NULL, CHANGE ticket_url ticket_url VARCHAR(2048) DEFAULT NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE event CHANGE url url VARCHAR(255) DEFAULT NULL, CHANGE ticket_url ticket_url VARCHAR(255) DEFAULT NULL');
+    }
+}
diff --git a/src/Entity/Event.php b/src/Entity/Event.php
index 6bd0c339..8bec7977 100644
--- a/src/Entity/Event.php
+++ b/src/Entity/Event.php
@@ -44,11 +44,11 @@ class Event implements IndexItemInterface, EditableEntityInterface
     #[Groups([IndexNames::Events->value])]
     private ?string $description = null;
 
-    #[ORM\Column(length: 255, nullable: true)]
+    #[ORM\Column(length: 2048, nullable: true)]
     #[Groups([IndexNames::Events->value])]
     private ?string $url = null;
 
-    #[ORM\Column(length: 255, nullable: true)]
+    #[ORM\Column(length: 2048, nullable: true)]
     #[Groups([IndexNames::Events->value])]
     #[SerializedPath('[ticketUrl]')]
     private ?string $ticketUrl = null;