diff --git a/backends/xnnpack/cmake/Dependencies.cmake b/backends/xnnpack/cmake/Dependencies.cmake
index 8d5d0845430..1de678ab75c 100644
--- a/backends/xnnpack/cmake/Dependencies.cmake
+++ b/backends/xnnpack/cmake/Dependencies.cmake
@@ -38,6 +38,10 @@ set(XNNPACK_ENABLE_AVXVNNI
 )
 # Work around observed failure:
 # https://github.com/pytorch/executorch/pull/10362#issuecomment-2906391232
+set(XNNPACK_ENABLE_ARM_SME2
+    ON
+    CACHE BOOL ""
+  )
 set(XNNPACK_ENABLE_AVX512VNNIGFNI
     OFF
     CACHE BOOL ""