diff --git a/Lib/opcode.py b/Lib/opcode.py
index b631b25..6fe20c7 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -87,6 +87,7 @@
 
 def_op('PRINT_EXPR', 70)
 def_op('LOAD_BUILD_CLASS', 71)
+def_op('YIELD_FROM', 72)
 
 def_op('INPLACE_LSHIFT', 75)
 def_op('INPLACE_RSHIFT', 76)