diff --git a/Cargo.toml b/Cargo.toml
index 09ced78..e92adb5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -66,7 +66,7 @@ test-utils = [
 full = ["test-utils"]
 
 [dependencies]
-itertools = "0.14"
+itertools = { version = "0.15" }
 opentelemetry_0_26 = { package = "opentelemetry", version = "0.26", default-features = false, features = [
     "metrics",
 ], optional = true }