diff --git a/Lib/opcode.py b/Lib/opcode.py
index 6fe380f..eac0b63 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -112,7 +112,7 @@
 name_op('DELETE_NAME', 91)      # ""
 def_op('UNPACK_SEQUENCE', 92)   # Number of tuple items
 jrel_op('FOR_ITER', 93)
-
+def_op('UNPACK_EX', 94)
 name_op('STORE_ATTR', 95)       # Index in name list
 name_op('DELETE_ATTR', 96)      # ""
 name_op('STORE_GLOBAL', 97)     # ""