diff --git a/Cargo.toml b/Cargo.toml
index 68ff8884..f3eb5782 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -47,7 +47,7 @@ futures = "0.3"
 generational-arena = "0.2"
 ipnetwork = "0.20"
 hmac = "0.12"
-itertools = "0.10"
+itertools = "0.13"
 libc = "0.2"
 maplit = "1.0"
 md5 = "0.7"