diff --git a/CODEGEN_VERSION b/CODEGEN_VERSION
new file mode 100644
index 0000000000..faffe73c57
--- /dev/null
+++ b/CODEGEN_VERSION
@@ -0,0 +1 @@
+ee56c4b73d856e48409065f8d7e7c82c2e805c38
\ No newline at end of file