diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index e69de29b..7b6a3e9e 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -0,0 +1,2 @@
+-keep class org.fossify.keyboard.helpers.MyKeyboard { *; }
+-keep class org.fossify.keyboard.helpers.MyKeyboard$Key { *; }