diff --git a/briar-android/proguard-rules.txt b/briar-android/proguard-rules.txt
index 346310593..bd42e2ec4 100644
--- a/briar-android/proguard-rules.txt
+++ b/briar-android/proguard-rules.txt
@@ -40,3 +40,6 @@
 
 # Dependency injection annotations, needed for UI tests on older API levels
 -keep class javax.inject.**
+
+-keep class com.sun.jna.** { *; }
+-keep class * implements com.sun.jna.** { *; }