diff --git a/composer.json b/composer.json
index 1ad2e7ab..d7741611 100644
--- a/composer.json
+++ b/composer.json
@@ -46,7 +46,7 @@
         "php-middleware/request-id": "^4.1",
         "pugx/shortid-php": "^1.1",
         "ramsey/uuid": "^4.5",
-        "shlinkio/shlink-common": "^5.2",
+        "shlinkio/shlink-common": "dev-main#61d26e7 as 5.3",
         "shlinkio/shlink-config": "dev-main#2a5b5c2 as 2.4",
         "shlinkio/shlink-event-dispatcher": "^2.6",
         "shlinkio/shlink-importer": "^5.0",
diff --git a/module/Core/src/Domain/DomainService.php b/module/Core/src/Domain/DomainService.php
index 29afa110..703f77fd 100644
--- a/module/Core/src/Domain/DomainService.php
+++ b/module/Core/src/Domain/DomainService.php
@@ -51,7 +51,7 @@ class DomainService implements DomainServiceInterface
         $repo = $this->em->getRepository(Domain::class);
         $groups = group(
             $repo->findDomains($apiKey),
-            fn (Domain $domain) => $domain->authority() === $this->defaultDomain ? 'default' : 'domains',
+            fn (Domain $domain) => $domain->authority === $this->defaultDomain ? 'default' : 'domains',
         );
 
         return [first($groups['default'] ?? []), $groups['domains'] ?? []];
diff --git a/module/Core/src/Domain/Entity/Domain.php b/module/Core/src/Domain/Entity/Domain.php
index b9b5c334..4e6ea865 100644
--- a/module/Core/src/Domain/Entity/Domain.php
+++ b/module/Core/src/Domain/Entity/Domain.php
@@ -15,7 +15,7 @@ class Domain extends AbstractEntity implements JsonSerializable, NotFoundRedirec
     private ?string $regular404Redirect = null;
     private ?string $invalidShortUrlRedirect = null;
 
-    private function __construct(private string $authority)
+    private function __construct(public readonly string $authority)
     {
     }
 
@@ -24,11 +24,6 @@ class Domain extends AbstractEntity implements JsonSerializable, NotFoundRedirec
         return new self($authority);
     }
 
-    public function authority(): string
-    {
-        return $this->authority;
-    }
-
     public function jsonSerialize(): string
     {
         return $this->authority;
diff --git a/module/Core/src/Domain/Model/DomainItem.php b/module/Core/src/Domain/Model/DomainItem.php
index 2a1c7fcf..53f2b6f7 100644
--- a/module/Core/src/Domain/Model/DomainItem.php
+++ b/module/Core/src/Domain/Model/DomainItem.php
@@ -20,7 +20,7 @@ final class DomainItem implements JsonSerializable
 
     public static function forNonDefaultDomain(Domain $domain): self
     {
-        return new self($domain->authority(), $domain, false);
+        return new self($domain->authority, $domain, false);
     }
 
     public static function forDefaultDomain(string $defaultDomain, NotFoundRedirectConfigInterface $config): self
diff --git a/module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php b/module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php
index 795b2490..9d21cb58 100644
--- a/module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php
+++ b/module/Core/src/ShortUrl/Helper/ShortUrlStringifier.php
@@ -28,6 +28,6 @@ class ShortUrlStringifier implements ShortUrlStringifierInterface
 
     private function resolveDomain(ShortUrl $shortUrl): string
     {
-        return $shortUrl->getDomain()?->authority() ?? $this->domainConfig['hostname'] ?? '';
+        return $shortUrl->getDomain()?->authority ?? $this->domainConfig['hostname'] ?? '';
     }
 }
diff --git a/module/Core/src/ShortUrl/Model/ShortUrlIdentifier.php b/module/Core/src/ShortUrl/Model/ShortUrlIdentifier.php
index fc930de5..bb3b4af6 100644
--- a/module/Core/src/ShortUrl/Model/ShortUrlIdentifier.php
+++ b/module/Core/src/ShortUrl/Model/ShortUrlIdentifier.php
@@ -45,7 +45,7 @@ final class ShortUrlIdentifier
     public static function fromShortUrl(ShortUrl $shortUrl): self
     {
         $domain = $shortUrl->getDomain();
-        $domainAuthority = $domain?->authority();
+        $domainAuthority = $domain?->authority;
 
         return new self($shortUrl->getShortCode(), $domainAuthority);
     }
diff --git a/module/Core/src/ShortUrl/UrlShortener.php b/module/Core/src/ShortUrl/UrlShortener.php
index 4720809e..7477052f 100644
--- a/module/Core/src/ShortUrl/UrlShortener.php
+++ b/module/Core/src/ShortUrl/UrlShortener.php
@@ -76,7 +76,7 @@ class UrlShortener implements UrlShortenerInterface
 
         if (! $couldBeMadeUnique) {
             $domain = $shortUrlToBeCreated->getDomain();
-            $domainAuthority = $domain?->authority();
+            $domainAuthority = $domain?->authority;
 
             throw NonUniqueSlugException::fromSlug($shortUrlToBeCreated->getShortCode(), $domainAuthority);
         }
diff --git a/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php b/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
index 0db35974..2b005947 100644
--- a/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
+++ b/module/Core/test-db/Domain/Repository/DomainRepositoryTest.php
@@ -131,7 +131,7 @@ class DomainRepositoryTest extends DatabaseTestCase
     {
         return ShortUrl::create(
             ShortUrlCreation::fromRawData(
-                ['domain' => $domain->authority(), 'apiKey' => $apiKey, 'longUrl' => 'foo'],
+                ['domain' => $domain->authority, 'apiKey' => $apiKey, 'longUrl' => 'foo'],
             ),
             new class ($domain) implements ShortUrlRelationResolverInterface {
                 public function __construct(private Domain $domain)
diff --git a/module/Core/test-db/ShortUrl/Repository/ShortUrlRepositoryTest.php b/module/Core/test-db/ShortUrl/Repository/ShortUrlRepositoryTest.php
index 01c6c326..99e3add9 100644
--- a/module/Core/test-db/ShortUrl/Repository/ShortUrlRepositoryTest.php
+++ b/module/Core/test-db/ShortUrl/Repository/ShortUrlRepositoryTest.php
@@ -270,7 +270,7 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
         $shortUrl = ShortUrl::create(ShortUrlCreation::fromRawData([
             'validSince' => $start,
             'apiKey' => $apiKey,
-            'domain' => $rightDomain->authority(),
+            'domain' => $rightDomain->authority,
             'longUrl' => 'foo',
             'tags' => ['foo', 'bar'],
         ]), $this->relationResolver);
@@ -313,7 +313,7 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
             $shortUrl,
             $this->repo->findOneMatching(ShortUrlCreation::fromRawData([
                 'validSince' => $start,
-                'domain' => $rightDomain->authority(),
+                'domain' => $rightDomain->authority,
                 'longUrl' => 'foo',
                 'tags' => ['foo', 'bar'],
             ])),
@@ -322,7 +322,7 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
             $shortUrl,
             $this->repo->findOneMatching(ShortUrlCreation::fromRawData([
                 'validSince' => $start,
-                'domain' => $rightDomain->authority(),
+                'domain' => $rightDomain->authority,
                 'apiKey' => $rightDomainApiKey,
                 'longUrl' => 'foo',
                 'tags' => ['foo', 'bar'],
@@ -332,7 +332,7 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
             $shortUrl,
             $this->repo->findOneMatching(ShortUrlCreation::fromRawData([
                 'validSince' => $start,
-                'domain' => $rightDomain->authority(),
+                'domain' => $rightDomain->authority,
                 'apiKey' => $apiKey,
                 'longUrl' => 'foo',
                 'tags' => ['foo', 'bar'],
@@ -341,7 +341,7 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
         self::assertNull(
             $this->repo->findOneMatching(ShortUrlCreation::fromRawData([
                 'validSince' => $start,
-                'domain' => $rightDomain->authority(),
+                'domain' => $rightDomain->authority,
                 'apiKey' => $wrongDomainApiKey,
                 'longUrl' => 'foo',
                 'tags' => ['foo', 'bar'],
diff --git a/module/Core/test-db/Tag/Repository/TagRepositoryTest.php b/module/Core/test-db/Tag/Repository/TagRepositoryTest.php
index 24a8f516..97873b20 100644
--- a/module/Core/test-db/Tag/Repository/TagRepositoryTest.php
+++ b/module/Core/test-db/Tag/Repository/TagRepositoryTest.php
@@ -249,7 +249,7 @@ class TagRepositoryTest extends DatabaseTestCase
 
         $shortUrl2 = ShortUrl::create(
             ShortUrlCreation::fromRawData(
-                ['domain' => $domain->authority(), 'longUrl' => 'longUrl', 'tags' => $secondUrlTags],
+                ['domain' => $domain->authority, 'longUrl' => 'longUrl', 'tags' => $secondUrlTags],
             ),
             $this->relationResolver,
         );
diff --git a/module/Core/test-db/Visit/Repository/VisitRepositoryTest.php b/module/Core/test-db/Visit/Repository/VisitRepositoryTest.php
index 01c8e590..f1fed415 100644
--- a/module/Core/test-db/Visit/Repository/VisitRepositoryTest.php
+++ b/module/Core/test-db/Visit/Repository/VisitRepositoryTest.php
@@ -265,7 +265,7 @@ class VisitRepositoryTest extends DatabaseTestCase
         $this->getEntityManager()->persist($apiKey1);
         $shortUrl = ShortUrl::create(
             ShortUrlCreation::fromRawData(
-                ['apiKey' => $apiKey1, 'domain' => $domain->authority(), 'longUrl' => 'longUrl'],
+                ['apiKey' => $apiKey1, 'domain' => $domain->authority, 'longUrl' => 'longUrl'],
             ),
             $this->relationResolver,
         );
@@ -280,7 +280,7 @@ class VisitRepositoryTest extends DatabaseTestCase
 
         $shortUrl3 = ShortUrl::create(
             ShortUrlCreation::fromRawData(
-                ['apiKey' => $apiKey2, 'domain' => $domain->authority(), 'longUrl' => 'longUrl'],
+                ['apiKey' => $apiKey2, 'domain' => $domain->authority, 'longUrl' => 'longUrl'],
             ),
             $this->relationResolver,
         );
diff --git a/module/Core/test/ShortUrl/Resolver/PersistenceShortUrlRelationResolverTest.php b/module/Core/test/ShortUrl/Resolver/PersistenceShortUrlRelationResolverTest.php
index fed61862..fedfd96f 100644
--- a/module/Core/test/ShortUrl/Resolver/PersistenceShortUrlRelationResolverTest.php
+++ b/module/Core/test/ShortUrl/Resolver/PersistenceShortUrlRelationResolverTest.php
@@ -52,7 +52,7 @@ class PersistenceShortUrlRelationResolverTest extends TestCase
             self::assertSame($result, $foundDomain);
         }
         self::assertInstanceOf(Domain::class, $result);
-        self::assertEquals($authority, $result->authority());
+        self::assertEquals($authority, $result->authority);
     }
 
     public function provideFoundDomains(): iterable
diff --git a/module/Core/test/ShortUrl/Resolver/SimpleShortUrlRelationResolverTest.php b/module/Core/test/ShortUrl/Resolver/SimpleShortUrlRelationResolverTest.php
index f1925c68..443710bb 100644
--- a/module/Core/test/ShortUrl/Resolver/SimpleShortUrlRelationResolverTest.php
+++ b/module/Core/test/ShortUrl/Resolver/SimpleShortUrlRelationResolverTest.php
@@ -30,7 +30,7 @@ class SimpleShortUrlRelationResolverTest extends TestCase
             self::assertNull($result);
         } else {
             self::assertInstanceOf(Domain::class, $result);
-            self::assertEquals($domain, $result->authority());
+            self::assertEquals($domain, $result->authority);
         }
     }
 
diff --git a/module/Rest/src/ApiKey/Model/RoleDefinition.php b/module/Rest/src/ApiKey/Model/RoleDefinition.php
index bc868f41..403e6214 100644
--- a/module/Rest/src/ApiKey/Model/RoleDefinition.php
+++ b/module/Rest/src/ApiKey/Model/RoleDefinition.php
@@ -22,7 +22,7 @@ final class RoleDefinition
     {
         return new self(
             Role::DOMAIN_SPECIFIC,
-            ['domain_id' => $domain->getId(), 'authority' => $domain->authority()],
+            ['domain_id' => $domain->getId(), 'authority' => $domain->authority],
         );
     }
 }
diff --git a/module/Rest/src/Middleware/ShortUrl/OverrideDomainMiddleware.php b/module/Rest/src/Middleware/ShortUrl/OverrideDomainMiddleware.php
index ab92c77a..8a88e340 100644
--- a/module/Rest/src/Middleware/ShortUrl/OverrideDomainMiddleware.php
+++ b/module/Rest/src/Middleware/ShortUrl/OverrideDomainMiddleware.php
@@ -34,11 +34,11 @@ class OverrideDomainMiddleware implements MiddlewareInterface
         if ($requestMethod === RequestMethodInterface::METHOD_POST) {
             /** @var array $payload */
             $payload = $request->getParsedBody();
-            $payload[ShortUrlInputFilter::DOMAIN] = $domain->authority();
+            $payload[ShortUrlInputFilter::DOMAIN] = $domain->authority;
 
             return $handler->handle($request->withParsedBody($payload));
         }
 
-        return $handler->handle($request->withAttribute(ShortUrlInputFilter::DOMAIN, $domain->authority()));
+        return $handler->handle($request->withAttribute(ShortUrlInputFilter::DOMAIN, $domain->authority));
     }
 }