diff --git a/Cargo.lock b/Cargo.lock
index 86610e3..70fa8c2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -249,9 +249,9 @@ checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6"
 
 [[package]]
 name = "clap_mangen"
-version = "0.2.30"
+version = "0.2.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "263c8214a8e0cb8129f3c62036c50e9c6e15c7bd364c42e0437c492b9293f778"
+checksum = "439ea63a92086df93893164221ad4f24142086d535b3a0957b9b9bea2dc86301"
 dependencies = [
  "clap",
  "roff",