refactor

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 18b07ed..1942ac4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,6 +12,7 @@ futures-lite = "1.12.0"
 hostname = "0.3.1"
 libc = "0.2.112"
 nix = "0.23.0"
+once_cell = "1.9.0"
 pest = "2.1.3"
 pest_derive = "2.1.0"
 pty-process = { version = "0.2.0", features = ["backend-async-std"] }