diff --git a/Cargo.lock b/Cargo.lock
index dd970c3..5f900ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -65,9 +65,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.11"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
+checksum = "540654e97a3f4470a492cd30ff187bc95d89557a903a2bbf112e2fae98104ef2"
 
 [[package]]
 name = "libc"