Update rules_proto commit hash to fcad468
diff --git a/WORKSPACE b/WORKSPACE
index b41115a..1e2386b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -54,11 +54,11 @@
 
 http_archive(
     name = "rules_proto",
-    sha256 = "602e7161d9195e50246177e7c55b2f39950a9cf7366f74ed5f22fd45750cd208",
-    strip_prefix = "rules_proto-97d8af4dc474595af3900dd85cb3a29ad28cc313",
+    sha256 = "36476f17a78a4c495b9a9e70bd92d182e6e78db476d90c74bac1f5f19f0d6d04",
+    strip_prefix = "rules_proto-fcad4680fee127dbd8344e6a961a28eef5820ef4",
     urls = [
-        "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
-        "https://github.com/bazelbuild/rules_proto/archive/97d8af4dc474595af3900dd85cb3a29ad28cc313.tar.gz",
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/fcad4680fee127dbd8344e6a961a28eef5820ef4.tar.gz",
+        "https://github.com/bazelbuild/rules_proto/archive/fcad4680fee127dbd8344e6a961a28eef5820ef4.tar.gz",
     ],
 )