diff --git a/briar-android/proguard-test.txt b/briar-android/proguard-test.txt
index 4e68fab04..07a4f720f 100644
--- a/briar-android/proguard-test.txt
+++ b/briar-android/proguard-test.txt
@@ -15,4 +15,7 @@
 -keep class junit.** { *; }
 -dontwarn junit.**
 
+-keep class org.jmock.** { *; }
+-dontwarn org.jmock.**
+
 -dontwarn org.briarproject.briar.android.**