diff --git a/WORKSPACE b/WORKSPACE
index 466325d..2c91a4a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -11,7 +11,7 @@
 
 load("@bazel_skylib//:lib.bzl", "versions")
 
-versions.check(minimum_bazel_version = "0.17.1")
+versions.check(minimum_bazel_version = "0.19.0")
 
 load("//tools:bazlets.bzl", "load_bazlets")
 
diff --git a/tools/BUILD b/tools/BUILD
index 49ab185..6765f24 100644
--- a/tools/BUILD
+++ b/tools/BUILD
@@ -6,7 +6,7 @@
 
 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",