diff --git a/OnePIF/Records/Attributes/AddressComponentAttribute.cs b/OnePIF/Records/Attributes/AddressComponentAttribute.cs
index 1bd1f23..d6acb4b 100644
--- a/OnePIF/Records/Attributes/AddressComponentAttribute.cs
+++ b/OnePIF/Records/Attributes/AddressComponentAttribute.cs
@@ -15,7 +15,7 @@ public enum AddressPart
             Country
         }
 
-        public AddressPart addressPart { get; }
+        public AddressPart addressPart { get; set; }
 
         public AddressComponentAttribute(AddressPart addressPart)
         {
diff --git a/OnePIF/Records/Attributes/DateComponentAttribute.cs b/OnePIF/Records/Attributes/DateComponentAttribute.cs
index 33545bb..59eba3b 100644
--- a/OnePIF/Records/Attributes/DateComponentAttribute.cs
+++ b/OnePIF/Records/Attributes/DateComponentAttribute.cs
@@ -12,7 +12,7 @@ public enum DatePart
             Year
         }
 
-        public DatePart datePart { get; }
+        public DatePart datePart { get; set; }
 
         public DateComponentAttribute(DatePart datePart)
         {
diff --git a/OnePIF/Records/Attributes/MonthYearComponentAttribute.cs b/OnePIF/Records/Attributes/MonthYearComponentAttribute.cs
index bc2033e..0231dcb 100644
--- a/OnePIF/Records/Attributes/MonthYearComponentAttribute.cs
+++ b/OnePIF/Records/Attributes/MonthYearComponentAttribute.cs
@@ -10,7 +10,7 @@ public enum MonthYearPart
             Year
         }
 
-        public MonthYearPart monthYearPart { get; }
+        public MonthYearPart monthYearPart { get; set;  }
 
         public MonthYearComponentAttribute(MonthYearPart monthYearPart)
         {