diff --git a/lib/internal/Magento/Framework/Model/ResourceModel/AbstractResource.php b/lib/internal/Magento/Framework/Model/ResourceModel/AbstractResource.php
index 3d90fc781bf3a..2b6f628a952c2 100644
--- a/lib/internal/Magento/Framework/Model/ResourceModel/AbstractResource.php
+++ b/lib/internal/Magento/Framework/Model/ResourceModel/AbstractResource.php
@@ -36,7 +36,7 @@ abstract protected function _construct();
      *
      * @return \Magento\Framework\DB\Adapter\AdapterInterface
      */
-    abstract protected function getConnection();
+    abstract public function getConnection();
 
     /**
      * Start resource transaction
diff --git a/lib/internal/Magento/Framework/Model/Test/Unit/ResourceModel/AbstractResourceStub.php b/lib/internal/Magento/Framework/Model/Test/Unit/ResourceModel/AbstractResourceStub.php
index 287e12e8abdf3..2d7fe86c4977d 100644
--- a/lib/internal/Magento/Framework/Model/Test/Unit/ResourceModel/AbstractResourceStub.php
+++ b/lib/internal/Magento/Framework/Model/Test/Unit/ResourceModel/AbstractResourceStub.php
@@ -31,7 +31,7 @@ protected function _construct()
      *
      * @return AdapterInterface
      */
-    protected function getConnection()
+    public function getConnection()
     {
         return $this->connectionAdapter;
     }