--- a/rust/hg-core/Cargo.toml	Tue Feb 18 19:11:15 2020 +0100
+++ b/rust/hg-core/Cargo.toml	Tue Feb 18 19:11:15 2020 +0100
@@ -23,8 +23,10 @@
 same-file = "1.0.6"
 
 [dev-dependencies]
+clap = "*"
+memmap = "0.7.0"
+pretty_assertions = "0.6.1"
 tempfile = "3.1.0"
-pretty_assertions = "0.6.1"
 
 [build-dependencies]
 cc = { version = "1.0.48", optional = true }