diff --git a/config/drupal-8/drupal-8.7-deprecations.yml b/config/drupal-8/drupal-8.7-deprecations.yml
index 705b2365..bf64490e 100644
--- a/config/drupal-8/drupal-8.7-deprecations.yml
+++ b/config/drupal-8/drupal-8.7-deprecations.yml
@@ -2,4 +2,5 @@
 services:
   DrupalRector\Rector\Deprecation\FilePrepareDirectoryRector: ~
   DrupalRector\Rector\Deprecation\FileCreateDirectoryRector: ~
+  DrupalRector\Rector\Deprecation\FileUnmanagedCopyRector: ~
   DrupalRector\Rector\Deprecation\FileExistsReplaceRector: ~
diff --git a/deprecation-index.yml b/deprecation-index.yml
index ed75ea1e..0df1a92e 100644
--- a/deprecation-index.yml
+++ b/deprecation-index.yml
@@ -137,3 +137,8 @@
     - DrupalRenderRootStaticUpdated.php
     - drupal_render_root.php
     - drupal_render_root_updated.php
+'file_unmanaged_copy()':
+  Rector: FileUnmanagedCopyRector.php
+  PHPStan: 'Call to deprecated function file_unmanaged_copy(). Deprecated in Drupal 8.7.0, will be removed before Drupal 9.0.0. Use \Drupal\Core\File\FileSystemInterface::copy().'
+  Examples:
+    - file_unmanaged_copy.php
\ No newline at end of file
diff --git a/rector_examples/file_unmanaged_copy.php b/rector_examples/file_unmanaged_copy.php
new file mode 100644
index 00000000..e08068bc
--- /dev/null
+++ b/rector_examples/file_unmanaged_copy.php
@@ -0,0 +1,10 @@
+<?php
+
+/**
+ * A simple example using the minimum required (all) number of arguments.
+ */
+function simple_example() {
+  $source = '/test/directory';
+  $destination = '/test/directory_2';
+  file_unmanaged_copy($source, $destination,FILE_CREATE_DIRECTORY);
+}
\ No newline at end of file
diff --git a/src/Rector/Deprecation/FileUnmanagedCopyRector.php b/src/Rector/Deprecation/FileUnmanagedCopyRector.php
new file mode 100644
index 00000000..ac38d906
--- /dev/null
+++ b/src/Rector/Deprecation/FileUnmanagedCopyRector.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace DrupalRector\Rector\Deprecation;
+
+use DrupalRector\Utility\TraitsByClassHelperTrait;
+use PhpParser\Node;
+use Rector\Rector\AbstractRector;
+use Rector\RectorDefinition\CodeSample;
+use Rector\RectorDefinition\RectorDefinition;
+
+/**
+ * Replaces deprecated file_unmanaged_copy() calls.
+ *
+ * See https://api.drupal.org/api/drupal/core%21includes%21file.inc/function/file_unmanaged_copy/8.7.x.
+ *
+ * What is covered:
+ * - File System Service used
+ *
+ * Improvement opportunities
+ * - Dependency Injection
+ */
+final class FileUnmanagedCopyRector extends AbstractRector {
+  use TraitsByClassHelperTrait;
+
+  /**
+   * @inheritdoc
+   */
+  public function getDefinition(): RectorDefinition {
+    return new RectorDefinition('Fixes deprecated file_unmanaged_copy() calls', [
+      new CodeSample(
+        <<<'CODE_BEFORE'
+file_unmanaged_copy($source, $destination, $replace);
+CODE_BEFORE
+        ,
+        <<<'CODE_AFTER'
+\Drupal::service('file_system')->copy($source, $destination, $replace);
+CODE_AFTER
+      ),
+    ]);
+  }
+
+  /**
+   * @inheritdoc
+   */
+  public function getNodeTypes(): array {
+    return [
+      Node\Expr\FuncCall::class,
+    ];
+  }
+
+  /**
+   * @inheritdoc
+   */
+  public function refactor(Node $node): ?Node {
+    if ($node->name instanceof Node\Name && 'file_unmanaged_copy' === (string) $node->name) {
+      $file_system_service = new Node\Expr\StaticCall(new Node\Name\FullyQualified('Drupal'), 'service', [new Node\Arg(new Node\Scalar\String_('file_system'))]);
+
+      $method_name = 'copy';
+
+      $method = new Node\Identifier($method_name);
+
+      $node = new Node\Expr\MethodCall($file_system_service, $method, $node->args);
+
+      return $node;
+
+    }
+
+    return NULL;
+  }
+
+}