diff --git a/gstreamer/Cargo.toml b/gstreamer/Cargo.toml
index 2faa8a97a..9c1cc7c08 100644
--- a/gstreamer/Cargo.toml
+++ b/gstreamer/Cargo.toml
@@ -33,7 +33,7 @@ version = "0.1"
 optional = true
 
 [dev-dependencies]
-ron = "0.3"
+ron = "0.4"
 serde_json = "1.0"
 serde-pickle = "0.4"