diff --git a/WORKSPACE b/WORKSPACE
index cead0bc877b..43cf87e5a02 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -115,3 +115,13 @@ http_archive(
     strip_prefix = "abseil-cpp-cc4bed2d74f7c8717e31f9579214ab52a9c9c610",
     url = "https://github.com/abseil/abseil-cpp/archive/cc4bed2d74f7c8717e31f9579214ab52a9c9c610.tar.gz",
 )
+
+http_archive(
+    name = "bazel_toolchains",
+    urls = [
+        "http://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/af4681c3d19f063f090222ec3d04108c4e0ca255.tar.gz",
+        "https://github.com/bazelbuild/bazel-toolchains/archive/af4681c3d19f063f090222ec3d04108c4e0ca255.tar.gz",
+    ],
+    strip_prefix = "bazel-toolchains-af4681c3d19f063f090222ec3d04108c4e0ca255",
+    sha256 = "d58bb2d6c8603f600d522b6104d6192a65339aa26cbba9f11ff5c4b36dedb928",
+)