diff --git a/WORKSPACE b/WORKSPACE
index 09f86e5..4eadd95 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -31,7 +31,7 @@
 
 load("@bazel_skylib//lib:versions.bzl", "versions")
 
-versions.check(minimum_bazel_version = "0.17.1")
+versions.check(minimum_bazel_version = "0.19.0")
 
 load("@io_bazel_rules_closure//closure:defs.bzl", "closure_repositories")
 
diff --git a/tools/BUILD b/tools/BUILD
index a2561ad..7760b20 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -13,7 +13,7 @@
 
 default_java_toolchain(
     name = "error_prone_warnings_toolchain",
-    bootclasspath = ["@bazel_tools//tools/jdk:platformclasspath9.jar"],
+    bootclasspath = ["@bazel_tools//tools/jdk:platformclasspath.jar"],
     jvm_opts = JDK9_JVM_OPTS,
     package_configuration = [
         ":error_prone",