Index: python3-libcst/native/libcst/Cargo.toml
===================================================================
--- python3-libcst.orig/native/libcst/Cargo.toml
+++ python3-libcst/native/libcst/Cargo.toml
@@ -48,7 +48,7 @@ libcst_derive = { path = "../libcst_deri
 criterion = { version = "0.5.1", features = ["html_reports"] }
 difference = "2.0.0"
 rayon = "1.7.0"
-itertools = "0.11.0"
+itertools = "0.10"
 
 [[bench]]
 name = "parser_benchmark"
