diff --git a/Cargo.toml b/Cargo.toml
index 2d4ef14e..b7e78c96 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,6 +17,6 @@ test = false
 
 [dependencies]
 dtoa = "0.4.0"
-itoa = "0.3.0"
+itoa = "0.4.0"
 serde = "1.0.0"
 url = "1.0.0"