diff --git a/Cargo.lock b/Cargo.lock
index 54198a6..970be9a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -95,9 +95,9 @@ checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "ordered-float"
-version = "4.2.2"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a91171844676f8c7990ce64959210cd2eaef32c2612c50f9fae9f8aaa6065a6"
+checksum = "83e7ccb95e240b7c9506a3d544f10d935e142cc90b0a1d56954fb44d89ad6b97"
 dependencies = [
  "num-traits",
 ]
diff --git a/Cargo.toml b/Cargo.toml
old mode 100755
new mode 100644
index 9ce8f51..7398383
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 bit-set = "0.8"
-ordered-float = "4.2"
+ordered-float = "4.4"
 pyo3 = "0.22"
 rand = "0.8"
 rustc-hash = "2.0"