diff --git a/proto/Android.bp b/proto/Android.bp
index 95f453c..f3811bd 100644
--- a/proto/Android.bp
+++ b/proto/Android.bp
@@ -6,6 +6,8 @@
     },
     srcs: ["src/**/*.proto"],
     no_framework_libs: true,
+    // Pin java_version until jarjar is certified to support later versions. http://b/72703434
+    java_version: "1.8",
     target: {
         android: {
             jarjar_rules: "jarjar-rules.txt",