diff --git a/WORKSPACE b/WORKSPACE
index 690aeceec1c58..c39df536da41e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -48,10 +48,14 @@ load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
 
 bazel_skylib_workspace()
 
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 http_archive(
     name = "rules_python",
-    sha256 = "934c9ceb552e84577b0faf1e5a2f0450314985b4d8712b2b70717dc679fdc01b",
-    url = "https://github.com/bazelbuild/rules_python/releases/download/0.3.0/rules_python-0.3.0.tar.gz",
+    sha256 = "954aa89b491be4a083304a2cb838019c8b8c3720a7abb9c4cb81ac7a24230cea",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_python/releases/download/0.4.0/rules_python-0.4.0.tar.gz",
+        "https://github.com/bazelbuild/rules_python/releases/download/0.4.0/rules_python-0.4.0.tar.gz",
+    ],
 )
 
 # This one is only needed if you're using the packaging rules.