diff --git a/WORKSPACE.bazel b/WORKSPACE.bazel
index d03f6d6d2d..e4c122ec84 100644
--- a/WORKSPACE.bazel
+++ b/WORKSPACE.bazel
@@ -34,20 +34,20 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "bazel_toolchains",
-    sha256 = "1adf7a8e9901287c644dcf9ca08dd8d67a69df94bedbd57a841490a84dc1e9ed",
-    strip_prefix = "bazel-toolchains-5.0.0",
+    sha256 = "179ec02f809e86abf56356d8898c8bd74069f1bd7c56044050c2cd3d79d0e024",
+    strip_prefix = "bazel-toolchains-4.1.0",
     urls = [
-        "https://github.com/bazelbuild/bazel-toolchains/archive/refs/tags/v5.0.0.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/releases/download/4.1.0/bazel-toolchains-4.1.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-toolchains/releases/download/4.1.0/bazel-toolchains-4.1.0.tar.gz",
     ],
 )
 
 load("@bazel_toolchains//rules:rbe_repo.bzl", "rbe_autoconfig")
 
-# Creates toolchain configuration for remote execution with BuildKite CI
-# for rbe_ubuntu1604
-rbe_autoconfig(
-    name = "buildkite_config",
-)
+# Creates a default toolchain config for RBE.
+# Use this as is if you are using the rbe_ubuntu16_04 container,
+# otherwise refer to RBE docs.
+rbe_autoconfig(name = "buildkite_config")
 
 # Load all dependencies for examples
 
diff --git a/examples/crate_universe/WORKSPACE.bazel b/examples/crate_universe/WORKSPACE.bazel
index 4d41a584ff..1efe0cf2ac 100644
--- a/examples/crate_universe/WORKSPACE.bazel
+++ b/examples/crate_universe/WORKSPACE.bazel
@@ -50,20 +50,20 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 # Used for Bazel CI
 http_archive(
     name = "bazel_toolchains",
-    sha256 = "1adf7a8e9901287c644dcf9ca08dd8d67a69df94bedbd57a841490a84dc1e9ed",
-    strip_prefix = "bazel-toolchains-5.0.0",
+    sha256 = "179ec02f809e86abf56356d8898c8bd74069f1bd7c56044050c2cd3d79d0e024",
+    strip_prefix = "bazel-toolchains-4.1.0",
     urls = [
-        "https://github.com/bazelbuild/bazel-toolchains/archive/refs/tags/v5.0.0.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/releases/download/4.1.0/bazel-toolchains-4.1.0.tar.gz",
+        "https://github.com/bazelbuild/bazel-toolchains/releases/download/4.1.0/bazel-toolchains-4.1.0.tar.gz",
     ],
 )
 
 load("@bazel_toolchains//rules:rbe_repo.bzl", "rbe_autoconfig")
 
-# Creates toolchain configuration for remote execution with BuildKite CI
-# for rbe_ubuntu1604
-rbe_autoconfig(
-    name = "buildkite_config",
-)
+# Creates a default toolchain config for RBE.
+# Use this as is if you are using the rbe_ubuntu16_04 container,
+# otherwise refer to RBE docs.
+rbe_autoconfig(name = "buildkite_config")
 
 http_archive(
     name = "rules_foreign_cc",