diff --git a/Cargo.toml b/Cargo.toml
index ddb6830..499491f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ fraction = { version = "0.13.1", default-features = false }
 lazy_static = "1.4.0"
 lru = "0.10.0"
 maplit = "1.0.2"
-ordered-float = "3.7.0"
+ordered-float = "4.0.0"
 regex = "1.9.0"
 separator = "0.4.1"
 unicode-segmentation = "1.10.1"