Index: version-ranges/Cargo.toml
===================================================================
--- version-ranges.orig/Cargo.toml
+++ version-ranges/Cargo.toml
@@ -54,7 +54,7 @@ features = ["union"]
 version = "1.5.0"
 
 [dev-dependencies.ron]
-version = "=0.9.0-alpha.0"
+version = ">=0.7,<0.10.0"
 
 [features]
 serde = [
