--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,7 +66,7 @@ pyproject-toml = "0.6.1"
 python-pkginfo = "0.6.0"
 textwrap = "0.16.0"
 ignore = "0.4.20"
-itertools = "0.11.0"
+itertools = "0.10.5"
 lddtree = "0.3.3"
 cc = "1.0.72"
 dunce = "1.0.2"
