diff --git a/gradle.properties b/gradle.properties
index 31ed731133..fa3072bb48 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1,6 @@
 version=4.2.0.BUILD-SNAPSHOT
+
+# The following is necessary for running the Gradle daemon on JDK 9, since
+# Gradle's DaemonParameters automatically sets the MaxPermSize JVM argument,
+# which is no longer supported on JDK 9.
+org.gradle.jvmargs=-XX:MaxMetaspaceSize=1024m -Xmx1024m