diff --git a/app/DAL/Studies/AdminWorklist.php b/app/DAL/Studies/AdminWorklist.php
index a9aa968..1cf7e81 100644
--- a/app/DAL/Studies/AdminWorklist.php
+++ b/app/DAL/Studies/AdminWorklist.php
@@ -2,7 +2,7 @@
 
 namespace App\DAL\Studies;
 
-use Illuminate\Contracts\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Builder;
 
 final class AdminWorklist extends WorklistBase
 {
diff --git a/app/DAL/Studies/ReferrerWorklist.php b/app/DAL/Studies/ReferrerWorklist.php
index fcd496b..30ad884 100644
--- a/app/DAL/Studies/ReferrerWorklist.php
+++ b/app/DAL/Studies/ReferrerWorklist.php
@@ -2,7 +2,7 @@
 
 namespace App\DAL\Studies;
 
-use Illuminate\Contracts\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Builder;
 
 final class ReferrerWorklist extends WorklistBase
 {
diff --git a/app/DAL/Studies/TechnicianWorklist.php b/app/DAL/Studies/TechnicianWorklist.php
index ed8821d..a4d9416 100644
--- a/app/DAL/Studies/TechnicianWorklist.php
+++ b/app/DAL/Studies/TechnicianWorklist.php
@@ -2,7 +2,7 @@
 
 namespace App\DAL\Studies;
 
-use Illuminate\Contracts\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Builder;
 
 final class TechnicianWorklist extends WorklistBase
 {