diff --git a/bazel/ray_deps_setup.bzl b/bazel/ray_deps_setup.bzl
index 1636faebc..faa151ab6 100644
--- a/bazel/ray_deps_setup.bzl
+++ b/bazel/ray_deps_setup.bzl
@@ -236,8 +236,8 @@ def ray_deps_setup():
     auto_http_archive(
         name = "com_github_grpc_grpc",
         # NOTE: If you update this, also update @boringssl's hash.
-        url = "https://github.com/grpc/grpc/archive/refs/tags/v1.48.0.tar.gz",
-        sha256 = "9b1f348b15a7637f5191e4e673194549384f2eccf01fcef7cc1515864d71b424",
+        url = "https://github.com/grpc/grpc/archive/refs/tags/v1.45.2.tar.gz",
+        sha256 = "e18b16f7976aab9a36c14c38180f042bb0fd196b75c9fd6a20a2b5f934876ad6",
         patches = [
             "@com_github_ray_project_ray//thirdparty/patches:grpc-cython-copts.patch",
             "@com_github_ray_project_ray//thirdparty/patches:grpc-python.patch",
@@ -250,11 +250,11 @@ def ray_deps_setup():
         # https://github.com/grpc/grpc/blob/1ff1feaa83e071d87c07827b0a317ffac673794f/bazel/grpc_deps.bzl#L189
         # Ensure this rule matches the rule used by grpc's bazel/grpc_deps.bzl
         name = "boringssl",
-        sha256 = "534fa658bd845fd974b50b10f444d392dfd0d93768c4a51b61263fd37d851c40",
-        strip_prefix = "boringssl-b9232f9e27e5668bc0414879dcdedb2a59ea75f2",
+        sha256 = "e168777eb0fc14ea5a65749a2f53c095935a6ea65f38899a289808fb0c221dc4",
+        strip_prefix = "boringssl-4fb158925f7753d80fb858cb0239dff893ef9f15",
         urls = [
-            "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/boringssl/archive/b9232f9e27e5668bc0414879dcdedb2a59ea75f2.tar.gz",
-            "https://github.com/google/boringssl/archive/b9232f9e27e5668bc0414879dcdedb2a59ea75f2.tar.gz",
+            "https://storage.googleapis.com/grpc-bazel-mirror/github.com/google/boringssl/archive/4fb158925f7753d80fb858cb0239dff893ef9f15.tar.gz",
+            "https://github.com/google/boringssl/archive/4fb158925f7753d80fb858cb0239dff893ef9f15.tar.gz",
         ],
     )