diff --git a/metadata/simplesamlphp/saml20-idp-remote_cert_expired.php b/metadata/simplesamlphp/saml20-idp-remote_cert_expired.php
index bd42488..571c1d9 100644
--- a/metadata/simplesamlphp/saml20-idp-remote_cert_expired.php
+++ b/metadata/simplesamlphp/saml20-idp-remote_cert_expired.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 $metadata['https://idp.example.org/saml2/idp/metadata.php'] = [
     'metadata-set' => 'saml20-idp-remote',
     'entityid' => 'https://idp.example.org/saml2/idp/metadata.php',
diff --git a/metadata/simplesamlphp/saml20-idp-remote_cert_selfsigned.php b/metadata/simplesamlphp/saml20-idp-remote_cert_selfsigned.php
index c88a9a3..41ad310 100644
--- a/metadata/simplesamlphp/saml20-idp-remote_cert_selfsigned.php
+++ b/metadata/simplesamlphp/saml20-idp-remote_cert_selfsigned.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 $metadata['https://idp.example.org/saml2/idp/metadata.php'] = [
     'metadata-set' => 'saml20-idp-remote',
     'entityid' => 'https://idp.example.org/saml2/idp/metadata.php',
diff --git a/metadata/simplesamlphp/saml20-idp-remote_cert_signed.php b/metadata/simplesamlphp/saml20-idp-remote_cert_signed.php
index 025c8af..9eab22c 100644
--- a/metadata/simplesamlphp/saml20-idp-remote_cert_signed.php
+++ b/metadata/simplesamlphp/saml20-idp-remote_cert_signed.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 $metadata['https://idp.example.org/saml2/idp/metadata.php'] = [
     'metadata-set' => 'saml20-idp-remote',
     'entityid' => 'https://idp.example.org/saml2/idp/metadata.php',
diff --git a/metadata/simplesamlphp/saml20-idp-remote_expired.php b/metadata/simplesamlphp/saml20-idp-remote_expired.php
index fc38f4a..2b9a2ec 100644
--- a/metadata/simplesamlphp/saml20-idp-remote_expired.php
+++ b/metadata/simplesamlphp/saml20-idp-remote_expired.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 $metadata['https://idp.example.org/saml2/idp/metadata.php'] = [
     'metadata-set' => 'saml20-idp-remote',
     'entityid' => 'https://idp.example.org/saml2/idp/metadata.php',
diff --git a/src/TemplateTest.php b/src/TemplateTest.php
index a9b6c44..9eaa182 100644
--- a/src/TemplateTest.php
+++ b/src/TemplateTest.php
@@ -6,8 +6,8 @@
 
 use PHPUnit\Framework\TestCase;
 use SimpleSAML\Configuration;
-use SimpleSAML\XHTML\Template;
 use SimpleSAML\Module;
+use SimpleSAML\XHTML\Template;
 use Twig\Error\SyntaxError;
 use Twig\Source;