diff --git a/Cargo.toml b/Cargo.toml
index 0ae0487..009322e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Matthew Gordon <matthew.scott.gordon@gmail.com>"]
 edition = "2018"
 
 [dependencies]
-itertools = "0.9"
+itertools = "0.14"
 obj = "0.9"
 quickcheck = "0.9"
 quickcheck_macros = "0.9"