diff --git a/src/Twig/HasRoleExtension.php b/src/Twig/HasRoleExtension.php
index 2809c33..f821009 100644
--- a/src/Twig/HasRoleExtension.php
+++ b/src/Twig/HasRoleExtension.php
@@ -63,7 +63,7 @@ class HasRoleExtension extends AbstractExtension implements GlobalsInterface
         ];
     }
 
-    public function getGlobals()
+    public function getGlobals(): array
     {
         return [];
     }
diff --git a/src/Twig/MobileDetectExtension.php b/src/Twig/MobileDetectExtension.php
index 0904c79..8c4e833 100644
--- a/src/Twig/MobileDetectExtension.php
+++ b/src/Twig/MobileDetectExtension.php
@@ -53,7 +53,7 @@ class MobileDetectExtension extends AbstractExtension implements GlobalsInterfac
         ];
     }
 
-    public function getGlobals()
+    public function getGlobals(): array
     {
         return [];
     }