diff --git a/Cargo.lock b/Cargo.lock
index 2c33b29..faed731 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -122,9 +122,9 @@ checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
 [[package]]
 name = "clap_mangen"
-version = "0.2.17"
+version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a7c2b01e5e779c19f46a94bbd398f33ae63b0f78c07108351fb4536845bb7fd"
+checksum = "e1dd95b5ebb5c1c54581dd6346f3ed6a79a3eef95dd372fc2ac13d535535300e"
 dependencies = [
  "clap",
  "roff",