diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 5c61cc770f..60e9dfd21f 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -251,4 +251,7 @@
 
 #for Singular
 -keep class com.singular.sdk.** { *; }
--keep public class com.android.installreferrer.** { *; }
\ No newline at end of file
+-keep public class com.android.installreferrer.** { *; }
+
+#For Firebase
+-keep class org.json.* { *; }
\ No newline at end of file