diff --git a/Cargo.lock b/Cargo.lock
index 93503fe..467c73b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -531,9 +531,9 @@ dependencies = [
 
 [[package]]
 name = "dtoa"
-version = "1.0.6"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65d09067bfacaa79114679b279d7f5885b53295b1e2cfb4e79c8e4bd3d633169"
+checksum = "dcbb2bf8e87535c23f7a8a321e364ce21462d0ff10cb6407820e8e96dfff6653"
 
 [[package]]
 name = "dtoa-short"