diff --git a/src/main/scala/com/vitorsvieira/iso/ISOCurrency.scala b/src/main/scala/com/vitorsvieira/iso/ISOCurrency.scala
index 12e1596..da625ee 100644
--- a/src/main/scala/com/vitorsvieira/iso/ISOCurrency.scala
+++ b/src/main/scala/com/vitorsvieira/iso/ISOCurrency.scala
@@ -63,10 +63,10 @@ object ISOCurrency extends Enum {
   val BAHT                  = new ISOCurrency("THB", 764, 2, ISOCountry.THAILAND)
   val BALBOA                = new ISOCurrency("PAB", 590, 2, ISOCountry.PANAMA)
   val BARBADOS_DOLLAR       = new ISOCurrency("BBD", 52, 2, ISOCountry.BARBADOS)
-  val BELARUSSIAN_RUBLE     = new ISOCurrency("BYR", 974, 0, ISOCountry.BELARUS)
+  val BELARUSSIAN_RUBLE     = new ISOCurrency("BYN", 933, 2, ISOCountry.BELARUS)
   val BELIZE_DOLLAR         = new ISOCurrency("BZD", 84, 2, ISOCountry.BELIZE)
   val BERMUDIAN_DOLLAR      = new ISOCurrency("BMD", 60, 2, ISOCountry.BERMUDA)
-  val BOLIVAR               = new ISOCurrency("VEF", 937, 2, ISOCountry.VENEZUELA)
+  val BOLIVAR               = new ISOCurrency("VES", 928, 2, ISOCountry.VENEZUELA)
   val BOLIVIANO             = new ISOCurrency("BOB", 68, 2, ISOCountry.BOLIVIA)
   val BRAZILIAN_REAL        = new ISOCurrency("BRL", 986, 2, ISOCountry.BRAZIL)
   val BRUNEI_DOLLAR         = new ISOCurrency("BND", 96, 2, ISOCountry.BRUNEI_DARUSSALAM)
@@ -126,7 +126,7 @@ object ISOCurrency extends Enum {
   )
   val DENAR                 = new ISOCurrency("MKD", 807, 2, ISOCountry.MACEDONIA)
   val DJIBOUTI_FRANC        = new ISOCurrency("DJF", 262, 0, ISOCountry.DJIBOUTI)
-  val DOBRA                 = new ISOCurrency("STD", 678, 2, ISOCountry.SAO_TOME_AND_PRINCIPE)
+  val DOBRA                 = new ISOCurrency("STN", 930, 2, ISOCountry.SAO_TOME_AND_PRINCIPE)
   val DOMINICAN_PESO        = new ISOCurrency("DOP", 214, 2, ISOCountry.DOMINICAN_REPUBLIC)
   val DONG                  = new ISOCurrency("VND", 704, 0, ISOCountry.VIET_NAM)
   val EAST_CARIBBEAN_DOLLAR = new ISOCurrency(
@@ -285,7 +285,7 @@ object ISOCurrency extends Enum {
   )
   val SOL              = new ISOCurrency("PEN", 604, 2, ISOCountry.PERU)
   val NO_CURRENCY      = new ISOCurrency("XXX", 999, 0)
-  val OUGUIYA          = new ISOCurrency("MRO", 478, 2, ISOCountry.MAURITANIA)
+  val OUGUIYA          = new ISOCurrency("MRU", 929, 2, ISOCountry.MAURITANIA)
   val PAKISTAN_RUPEE   = new ISOCurrency("PKR", 586, 2, ISOCountry.PAKISTAN)
   val PALLADIUM        = new ISOCurrency("XPD", 964, 0)
   val PATACA           = new ISOCurrency("MOP", 446, 2, ISOCountry.MACAO)