diff --git a/Cargo.toml b/Cargo.toml
index eeac300..13761b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ schemars = { version = "0.8.10", optional = true }
 [dev-dependencies]
 serde_json = "1.0"
 criterion = {version = "0.3.4", features= ["html_reports"]}
-does-it-json = "0.0.3"
+does-it-json = "0.0.4"
 
 [badges]
 travis-ci = { repository = "achanda/ipnetwork" }