diff --git a/tensorflow/compiler/mlir/tfrt/tests/lhlo_to_tfrt/BUILD b/tensorflow/compiler/mlir/tfrt/tests/lhlo_to_tfrt/BUILD
index b10b116..ed14401 100644
--- a/tensorflow/compiler/mlir/tfrt/tests/lhlo_to_tfrt/BUILD
+++ b/tensorflow/compiler/mlir/tfrt/tests/lhlo_to_tfrt/BUILD
@@ -10,6 +10,7 @@
     exclude = [
         "ccl.mlir",  # b/216062298
         "fusion.mlir",  # b/215799570
+        "async_conversion.mlir",  # b/229183976
     ],
     features = if_oss(["--path=org_tensorflow/tensorflow/compiler/mlir/tfrt"]),
     test_file_exts = ["mlir"],
diff --git a/third_party/llvm/workspace.bzl b/third_party/llvm/workspace.bzl
index ac6999b..8bac3e1 100644
--- a/third_party/llvm/workspace.bzl
+++ b/third_party/llvm/workspace.bzl
@@ -4,8 +4,8 @@
 
 def repo(name):
     """Imports LLVM."""
-    LLVM_COMMIT = "c36fbe05a719cd5c88b5f655f3d49d6b4e32ab51"
-    LLVM_SHA256 = "489045f7f6fc27080b966432606b88d232cd1e8f1a5161cce9e8b08b1bc91495"
+    LLVM_COMMIT = "4c564940a14f55d2315d2676b10fea0660ea814a"
+    LLVM_SHA256 = "3118b9c0d9d2b8a74219f9f9fdc3adffcce860e7b46b80d7c11a65d10d0d0fe0"
 
     tf_http_archive(
         name = name,