diff --git a/Cargo.lock b/Cargo.lock
index 7224d88..e27030c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -290,9 +290,9 @@ checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 
 [[package]]
 name = "clap_mangen"
-version = "0.2.33"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e30ffc187e2e3aeafcd1c6e2aa416e29739454c0ccaa419226d5ecd181f2d78"
+checksum = "d82842b45bf9f6a3be090dd860095ac30728042c08e0d6261ca7259b5d850f07"
 dependencies = [
  "clap",
  "roff",
diff --git a/hayate-cli/Cargo.toml b/hayate-cli/Cargo.toml
index bc0eb5f..31905f3 100644
--- a/hayate-cli/Cargo.toml
+++ b/hayate-cli/Cargo.toml
@@ -25,7 +25,7 @@ hayate = { path = "../hayate", version = "6.1.0" }
 anyhow = { workspace = true }
 clap = { workspace = true }
 clap_complete = "4"
-clap_mangen = "0.2"
+clap_mangen = "0.3"
 compio = { workspace = true }
 compio-quic = { workspace = true }
 console = { workspace = true }