diff --git a/BUILD b/BUILD
index 6b8bfbe..3be2354 100644
--- a/BUILD
+++ b/BUILD
@@ -22,6 +22,7 @@
 junit_tests(
     name = "websession_flatfile_tests",
     srcs = glob(["src/test/java/**/*.java"]),
+    javacopts = ["-Xep:DoNotMock:OFF"],
     resources = glob(["src/test/resources/**/*"]),
     tags = ["websession-flatfile"],
     deps = [