diff --git a/Client/proguard/proguard.cfg b/Client/proguard/proguard.cfg
index 02847a3..a4dd479 100644
--- a/Client/proguard/proguard.cfg
+++ b/Client/proguard/proguard.cfg
@@ -16,6 +16,8 @@
 -ignorewarnings
 -overloadaggressively
 
+-keep @interface ** { *; }
+
 # keep things meant to exist in prod
 -keep class com.baseband.prod.** { *; }
 -keep class com.baseband.client.mixins.** { *; }