diff --git a/Cargo.toml b/Cargo.toml
index a128cc6..2eeda57 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ minidom = "0.12.0"
 thiserror = "1.0"
 
 [dev-dependencies]
-approx = "0.5.0"
+approx = "0.5.1"
 criterion = "0.3.5"
 
 [[bench]]