diff --git a/WORKSPACE b/WORKSPACE
index 5be6d5b8ab..cd2f3b7db2 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -15,8 +15,8 @@ versions.check(minimum_bazel_version = "0.5.4")
 # It provides the protocol compiler binary (i.e., protoc).
 http_archive(
     name = "com_google_protobuf",
-    strip_prefix = "protobuf-master",
-    urls = ["https://github.com/protocolbuffers/protobuf/archive/master.zip"],
+    strip_prefix = "protobuf-3.5.1",
+    urls = ["https://github.com/protocolbuffers/protobuf/archive/v3.5.1.zip"],
 )
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")