diff --git a/third_party/flatbuffers/BUILD.bazel b/third_party/flatbuffers/BUILD.bazel
index 53cecc734..d5264a026 100644
--- a/third_party/flatbuffers/BUILD.bazel
+++ b/third_party/flatbuffers/BUILD.bazel
@@ -45,12 +45,16 @@ filegroup(
         "include/flatbuffers/bfbs_generator.h",
         "include/flatbuffers/buffer.h",
         "include/flatbuffers/buffer_ref.h",
+        "include/flatbuffers/code_generator.h",
         "include/flatbuffers/code_generators.h",
         "include/flatbuffers/default_allocator.h",
         "include/flatbuffers/detached_buffer.h",
         "include/flatbuffers/flatbuffer_builder.h",
         "include/flatbuffers/flatbuffers.h",
+        "include/flatbuffers/flatc.h",
+        "include/flatbuffers/flex_flat_util.h",
         "include/flatbuffers/flexbuffers.h",
+        "include/flatbuffers/grpc.h",
         "include/flatbuffers/hash.h",
         "include/flatbuffers/idl.h",
         "include/flatbuffers/minireflect.h",
diff --git a/third_party/flatbuffers/workspace.bzl b/third_party/flatbuffers/workspace.bzl
index 703cb0536..02247268b 100644
--- a/third_party/flatbuffers/workspace.bzl
+++ b/third_party/flatbuffers/workspace.bzl
@@ -5,11 +5,11 @@ load("//third_party:repo.bzl", "third_party_http_archive")
 def repo():
     third_party_http_archive(
         name = "flatbuffers",
-        strip_prefix = "flatbuffers-2.0.6",
-        sha256 = "e2dc24985a85b278dd06313481a9ca051d048f9474e0f199e372fea3ea4248c9",
+        strip_prefix = "flatbuffers-23.1.21",
+        sha256 = "d84cb25686514348e615163b458ae0767001b24b42325f426fd56406fd384238",
         urls = [
-            "https://storage.googleapis.com/mirror.tensorflow.org/github.com/google/flatbuffers/archive/v2.0.6.tar.gz",
-            "https://github.com/google/flatbuffers/archive/v2.0.6.tar.gz",
+            "https://storage.googleapis.com/mirror.tensorflow.org/github.com/google/flatbuffers/archive/v23.1.21.tar.gz",
+            "https://github.com/google/flatbuffers/archive/v23.1.21.tar.gz",
         ],
         build_file = "//third_party/flatbuffers:BUILD.bazel",
         delete = ["build_defs.bzl", "BUILD.bazel"],