diff --git a/generativeai/consumer-rules.pro b/generativeai/consumer-rules.pro
index 632c6f6d..91de5e40 100644
--- a/generativeai/consumer-rules.pro
+++ b/generativeai/consumer-rules.pro
@@ -1 +1,3 @@
 -keep class com.google.ai.client.generativeai.internal.** { *; }
+-keepclassmembers enum com.google.ai.client.generativeai.internal** { *; }
+