diff --git a/Cargo.lock b/Cargo.lock
index e1dcf70..d80620d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -339,9 +339,9 @@ checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
 
 [[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",