diff --git a/src/flextype/app/Endpoints/entries.php b/src/flextype/app/Endpoints/entries.php
index 4a877792..30db03ca 100644
--- a/src/flextype/app/Endpoints/entries.php
+++ b/src/flextype/app/Endpoints/entries.php
@@ -10,8 +10,8 @@ declare(strict_types=1);
 namespace Flextype;
 
 use Flextype\Component\Filesystem\Filesystem;
-use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Http\Response as Response;
 use function array_replace_recursive;
 use function collect_filter;
 use function count;
diff --git a/src/flextype/app/Endpoints/files.php b/src/flextype/app/Endpoints/files.php
index 8f05428b..0f05b6b5 100644
--- a/src/flextype/app/Endpoints/files.php
+++ b/src/flextype/app/Endpoints/files.php
@@ -10,8 +10,8 @@ declare(strict_types=1);
 namespace Flextype;
 
 use Flextype\Component\Filesystem\Filesystem;
-use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Http\Response as Response;
 use function array_replace_recursive;
 use function basename;
 use function count;
diff --git a/src/flextype/app/Endpoints/folders.php b/src/flextype/app/Endpoints/folders.php
index bd248c96..ef8e6e36 100644
--- a/src/flextype/app/Endpoints/folders.php
+++ b/src/flextype/app/Endpoints/folders.php
@@ -10,8 +10,8 @@ declare(strict_types=1);
 namespace Flextype;
 
 use Flextype\Component\Filesystem\Filesystem;
-use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Http\Response as Response;
 use function array_replace_recursive;
 use function count;
 
diff --git a/src/flextype/app/Endpoints/images.php b/src/flextype/app/Endpoints/images.php
index 0e093a6c..e8df0fa2 100644
--- a/src/flextype/app/Endpoints/images.php
+++ b/src/flextype/app/Endpoints/images.php
@@ -10,8 +10,8 @@ declare(strict_types=1);
 namespace Flextype;
 
 use Flextype\Component\Filesystem\Filesystem;
-use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Http\Response as Response;
 use function array_replace_recursive;
 use function header;
 
diff --git a/src/flextype/app/Endpoints/registry.php b/src/flextype/app/Endpoints/registry.php
index 714af93f..01c974bf 100644
--- a/src/flextype/app/Endpoints/registry.php
+++ b/src/flextype/app/Endpoints/registry.php
@@ -10,8 +10,8 @@ declare(strict_types=1);
 namespace Flextype;
 
 use Flextype\Component\Filesystem\Filesystem;
-use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Http\Response as Response;
 use function array_replace_recursive;
 
 /**