diff --git a/javatests/google/registry/rdap/BUILD b/javatests/google/registry/rdap/BUILD
index af6dda963..6c94b092a 100644
--- a/javatests/google/registry/rdap/BUILD
+++ b/javatests/google/registry/rdap/BUILD
@@ -40,6 +40,7 @@ java_library(
 GenTestRules(
     name = "GeneratedTestRules",
     medium_tests = ["RdapDomainSearchActionTest"],
+    shard_count = 4,
     test_files = glob(["*Test.java"]),
     deps = [":rdap"],
 )