diff --git a/OpenUtau.Core/G2p/ArpabetPlusG2p.cs b/OpenUtau.Core/G2p/ArpabetPlusG2p.cs
index 3c50737da..c168a4c9b 100644
--- a/OpenUtau.Core/G2p/ArpabetPlusG2p.cs
+++ b/OpenUtau.Core/G2p/ArpabetPlusG2p.cs
@@ -10,6 +10,9 @@ public class ArpabetPlusG2p : G2pPack {
             "", "", "", "", "\'", "-", "a", "b", "c", "d", "e",
             "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p",
             "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
+            "A", "B", "C", "D", "E",
+            "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P",
+            "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
         };
 
         private static readonly string[] phonemes = new string[] {
diff --git a/OpenUtau.Core/G2p/Data/g2p-arpabet-plus.zip b/OpenUtau.Core/G2p/Data/g2p-arpabet-plus.zip
index bf14c62ed..68d14b884 100644
Binary files a/OpenUtau.Core/G2p/Data/g2p-arpabet-plus.zip and b/OpenUtau.Core/G2p/Data/g2p-arpabet-plus.zip differ