diff --git a/backends/arm/quantizer/quantization_annotation/generic_annotator.py b/backends/arm/quantizer/quantization_annotation/generic_annotator.py
index fe8c9650e7..5db29c95e8 100644
--- a/backends/arm/quantizer/quantization_annotation/generic_annotator.py
+++ b/backends/arm/quantizer/quantization_annotation/generic_annotator.py
@@ -53,6 +53,7 @@
     torch.ops.aten.tile.default,
     torch.ops.aten.flip.default,
     torch.ops.aten.cat.default,
+    torch.ops.aten.concatenate.default,
     torch.ops.aten.stack.default,
     torch.ops.aten.chunk.default,
     torch.ops.aten.contiguous.default,
diff --git a/backends/arm/test/quantizer/test_generic_annotater.py b/backends/arm/test/quantizer/test_generic_annotater.py
index 3d39463a42..353c8b6019 100644
--- a/backends/arm/test/quantizer/test_generic_annotater.py
+++ b/backends/arm/test/quantizer/test_generic_annotater.py
@@ -86,3 +86,10 @@ def test_flip(self):
         self.check_annotation(
             SingleOpModel(torch.flip, (torch.randn(2, 4),), dims=(0, 1)),
         )
+
+    def test_concat(self):
+        self.check_annotation(
+            SingleOpModel(
+                torch.concatenate, ((torch.randn(2, 3), torch.randn(2, 3)),), dim=0
+            ),
+        )