+++ ./Cargo.toml
@@ -39,7 +39,7 @@
 rand = "0.5"
 regex = "1"
 blake2 = "0.10"
-rustyline = "1.0"
+rustyline = "4.0.0"
 scoped_threadpool = "0.1"
 seahash = "3.0"
 sqlparser = "0.38"