clap: bump to 4.0

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 568ecbd..ecf3239 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ documentation = "https://docs.rs/ddh"
 readme = "README.md"
 
 [dependencies]
-clap = "3"
+clap = { version = "4.0.0", features = ["derive"] }
 rayon = "1.4"
 serde = "1.0"
 serde_json = "1.0"