diff --git a/config/proguard/rules.pro b/config/proguard/rules.pro
index e8657b4dc5..a06cdf2f31 100644
--- a/config/proguard/rules.pro
+++ b/config/proguard/rules.pro
@@ -1,6 +1,5 @@
 # See https://www.guardsquare.com/manual/configuration/usage
--keep class !com.amazon.ion.shaded_.** { *; }
--keepattributes *Annotation*,Signature,InnerClasses,EnclosingMethod
+-keep,includecode class !com.amazon.ion.shaded_.** { *; }
 -dontoptimize
 -dontobfuscate
 -dontwarn java.sql.Timestamp