diff --git a/plot/Cargo.toml b/plot/Cargo.toml
index 162931a5a..27e504684 100644
--- a/plot/Cargo.toml
+++ b/plot/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT/Apache-2.0"
 
 [dependencies]
 cast = "0.2"
-itertools = "0.9"
+itertools = "0.10"
 
 [dev-dependencies]
 itertools-num = "0.1"