--- third_party/zlib.BUILD
+++ third_party/zlib.BUILD
@@ -31,7 +31,7 @@
         "zutil.c",
         "zutil.h",
     ],
-    hdrs = ["zlib.h"],
+    hdrs = ["zconf.h", "zlib.h"],
     copts = select({
         "@org_tensorflow//tensorflow:windows": [],
         "//conditions:default": [
