diff --git a/test-util/Cargo.toml b/test-util/Cargo.toml
index db8784b..9b454d3 100644
--- a/test-util/Cargo.toml
+++ b/test-util/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 csv = "1.1"
 conv = "0.3.3"
 include_dir = {version = "0.7.3", features = ["glob"]}
-itertools = "0.11.0"
+itertools = "0.12.0"
 lazy_static = "1.4"
 light-curve-feature = { path = "..", default-features = false }
 serde = { version = "1", features = ["derive"] }