diff --git a/Cargo.lock b/Cargo.lock
index 7e96fec..c0238e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -710,9 +710,9 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "structopt"
-version = "0.3.15"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de2f5e239ee807089b62adce73e48c625e0ed80df02c7ab3f068f5db5281065c"
+checksum = "5277acd7ee46e63e5168a80734c9f6ee81b1367a7d8772a2d765df2a3705d28c"
 dependencies = [
  "clap",
  "lazy_static",
@@ -721,9 +721,9 @@ dependencies = [
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.8"
+version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "510413f9de616762a4fbeab62509bf15c729603b72d7cd71280fbca431b1c118"
+checksum = "5ba9cdfda491b814720b6b06e0cac513d922fc407582032e8706e9f137976f90"
 dependencies = [
  "heck",
  "proc-macro-error",
diff --git a/Cargo.toml b/Cargo.toml
index 50829ed..f22d6d1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ scopeguard = "1.1.0"
 serde = "1.0.114"
 serde_derive = "1.0.102"
 serde_yaml = "0.8.13"
-structopt = "0.3.15"
+structopt = "0.3.21"
 
 [dev-dependencies]
 assert_cmd = "1.0.1"