Bump minimum bazel version requirement to 1.0.0

PiperOrigin-RevId: 283114685
Change-Id: Ie7160112ff379fcc7e4c4794db20f4eb24f5f8df
diff --git a/WORKSPACE b/WORKSPACE
index babb14b..48536a5 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -89,7 +89,7 @@
 # files, in case the parsing of those build files depends on the bazel
 # version we require here.
 load("//tensorflow:version_check.bzl", "check_bazel_version_at_least")
-check_bazel_version_at_least("0.19.0")
+check_bazel_version_at_least("1.0.0")
 
 load("//third_party/android:android_configure.bzl", "android_configure")
 android_configure(name="local_config_android")
diff --git a/configure.py b/configure.py
index e02428a..2c79140 100644
--- a/configure.py
+++ b/configure.py
@@ -49,7 +49,7 @@
 _TF_WORKSPACE_ROOT = ''
 _TF_BAZELRC = ''
 _TF_CURRENT_BAZEL_VERSION = None
-_TF_MIN_BAZEL_VERSION = '0.27.1'
+_TF_MIN_BAZEL_VERSION = '1.0.0'
 _TF_MAX_BAZEL_VERSION = '1.1.0'
 
 NCCL_LIB_PATHS = [