diff --git a/bin/Cargo.toml b/bin/Cargo.toml
index 75260f2..37fc4f7 100644
--- a/bin/Cargo.toml
+++ b/bin/Cargo.toml
@@ -12,7 +12,7 @@ repository = "https://github.com/williballenthin/lancelot"
 
 [dependencies]
 log = "0.4"
-clap = "3"
+clap = "4"
 ansi_term = "0.12"
 hexyl = "0.15"
 fern = "0.7"
diff --git a/flirt/Cargo.toml b/flirt/Cargo.toml
index 4f782bd..0c8b02e 100644
--- a/flirt/Cargo.toml
+++ b/flirt/Cargo.toml
@@ -15,7 +15,7 @@ log = "0.4"
 nom = "7"
 regex = "1.3"
 bitvec = "1"
-clap = "3"
+clap = "4"
 fern = "0.7"
 chrono = { version = "0.4", features = ["std", "clock"], default-features = false }
 better-panic = "0.3"