diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py
index f1ca8cb254d1887..344a964e732adbb 100644
--- a/Lib/test/test_copy.py
+++ b/Lib/test/test_copy.py
@@ -874,6 +874,12 @@ def m(self):
         self.assertIs(g.b.__self__, g)
         g.b()
 
+    def test_deepcopy_generic_alias(self):
+        x = list[int]
+        g = copy.deepcopy(x)
+
+        self.assertEqual(x, g)
+
 
 def global_foo(x, y): return x+y
 
diff --git a/Misc/NEWS.d/next/Core and Builtins/2021-09-13-11-15-33.bpo-45167.lupMrM.rst b/Misc/NEWS.d/next/Core and Builtins/2021-09-13-11-15-33.bpo-45167.lupMrM.rst
new file mode 100644
index 000000000000000..6aff3a34630dd53
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2021-09-13-11-15-33.bpo-45167.lupMrM.rst	
@@ -0,0 +1,2 @@
+Add ability to deepcopy ``types.GenericAlias``. Patch provided by Yurii
+Karabas.
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
index 38b68e410c443c3..dbe5d89b7396296 100644
--- a/Objects/genericaliasobject.c
+++ b/Objects/genericaliasobject.c
@@ -418,6 +418,8 @@ static const char* const attr_exceptions[] = {
     "__mro_entries__",
     "__reduce_ex__",  // needed so we don't look up object.__reduce_ex__
     "__reduce__",
+    "__copy__",
+    "__deepcopy__",
     NULL,
 };