--- a/Cargo.toml
+++ b/Cargo.toml
@@ -76,7 +76,7 @@
 python-pkginfo = "0.6.5"
 textwrap = "0.16.1"
 ignore = "0.4.20"
-itertools = "0.12.1"
+itertools = "0.13"
 lddtree = "0.3.7"
 cc = "1.0.88"
 dunce = "1.0.2"
