diff --git a/Cronet/tests/mts/jarjar_excludes.txt b/Cronet/tests/mts/jarjar_excludes.txt
index 01f4d6a377..d1d062a223 100644
--- a/Cronet/tests/mts/jarjar_excludes.txt
+++ b/Cronet/tests/mts/jarjar_excludes.txt
@@ -7,4 +7,5 @@ android\.net\..+
 org\.chromium\.base\..+
 # Do not jarjar the tests and its utils as they also do JNI with cronet_tests.so
 org\.chromium\.net\..*Test.*(\$.+)?
-org\.chromium\.net\.NativeTestServer(\$.+)?
\ No newline at end of file
+org\.chromium\.net\.NativeTestServer(\$.+)?
+org\.chromium\.net\.MockUrlRequestJobFactory(\$.+)?
\ No newline at end of file