diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 8a96611..360d707 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -15,8 +15,8 @@ android {
         applicationId = "com.suyash.creditmanager"
         minSdk = 26
         targetSdk = 34
-        versionCode = 13
-        versionName = "1.0.12"
+        versionCode = 14
+        versionName = "1.0.13"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 481bb43..9bea593 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -18,4 +18,12 @@
 
 # If you keep the line number information, uncomment this to
 # hide the original source file name.
-#-renamesourcefileattribute SourceFile
\ No newline at end of file
+#-renamesourcefileattribute SourceFile
+
+-dontnote com.google.gson.annotations.SerializedName
+-keepclasseswithmembers,allowobfuscation,includedescriptorclasses class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+-keepclassmembers enum * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/suyash/creditmanager/domain/util/CardType.kt b/app/src/main/java/com/suyash/creditmanager/domain/util/CardType.kt
index fb8dd43..b2abe2d 100644
--- a/app/src/main/java/com/suyash/creditmanager/domain/util/CardType.kt
+++ b/app/src/main/java/com/suyash/creditmanager/domain/util/CardType.kt
@@ -1,13 +1,21 @@
 package com.suyash.creditmanager.domain.util
 
+import com.google.gson.annotations.SerializedName
 import com.suyash.creditmanager.R
 
 enum class CardType(val id: Int) {
+    @SerializedName("VISA")
     VISA(R.drawable.visa_icon),
+    @SerializedName("MASTERCARD")
     MASTERCARD(R.drawable.mastercard_icon),
+    @SerializedName("AMEX")
     AMEX(R.drawable.amex_icon),
+    @SerializedName("DISCOVER")
     DISCOVER(R.drawable.discover_icon),
+    @SerializedName("DCI")
     DCI(R.drawable.dci_icon),
+    @SerializedName("JCB")
     JCB(R.drawable.jcb_icon),
+    @SerializedName("RUPAY")
     RUPAY(R.drawable.rupay_icon);
 }
diff --git a/app/src/main/java/com/suyash/creditmanager/domain/util/TransactionType.kt b/app/src/main/java/com/suyash/creditmanager/domain/util/TransactionType.kt
index 29612cb..73bb426 100644
--- a/app/src/main/java/com/suyash/creditmanager/domain/util/TransactionType.kt
+++ b/app/src/main/java/com/suyash/creditmanager/domain/util/TransactionType.kt
@@ -1,6 +1,10 @@
 package com.suyash.creditmanager.domain.util
 
+import com.google.gson.annotations.SerializedName
+
 enum class TransactionType {
+    @SerializedName("DEBIT")
     DEBIT,
+    @SerializedName("CREDIT")
     CREDIT
 }
\ No newline at end of file