diff --git a/Cargo.toml b/Cargo.toml
index 085615d7a4a..ecdb2fa61e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ term_size = { version = "0.3.0", optional = true }
 [dev-dependencies]
 regex = "0.2"
 lazy_static = "0.2"
-version-sync = "0.3"
+version-sync = "0.4"
 
 [features]
 default     = ["suggestions", "color", "vec_map"]