diff --git a/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Names.java b/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Names.java
index fd8e697a2..9075daea6 100644
--- a/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Names.java
+++ b/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Names.java
@@ -431,6 +431,7 @@ public final class UCD_Names implements UCD_Types {
         "Tolong_Siki",
         "Beria_Erfe",
         "Jurchen",
+        "Proto_Cuneiform",
     };
 
     public static final Relation<String, String> EXTRA_SCRIPT =
@@ -630,6 +631,7 @@ public final class UCD_Names implements UCD_Types {
         "Tols",
         "Qaba", // Beria Erfe
         "Jurc",
+        "Pcun",
     };
 
     static final String[] SHORT_AGE = {
diff --git a/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Types.java b/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Types.java
index 3ab387956..b1ffb8261 100644
--- a/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Types.java
+++ b/unicodetools/src/main/java/org/unicode/text/UCD/UCD_Types.java
@@ -616,7 +616,8 @@ public interface UCD_Types {
             Tolong_Siki = 176,
             Beria_Erfe = 177,
             Jurchen = 178,
-            LIMIT_SCRIPT = Jurchen + 1;
+            Proto_Cuneiform = 179,
+            LIMIT_SCRIPT = Proto_Cuneiform + 1;
 
     // Bidi_Paired_Bracket_Type
     public static final byte BPT_N = 0, BPT_O = 1, BPT_C = 2, LIMIT_BPT = 3;