diff --git a/Cargo.lock b/Cargo.lock
index 21d4d63e..14efc5b0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2321,9 +2321,9 @@ dependencies = [
 
 [[package]]
 name = "process_control"
-version = "4.2.0"
+version = "4.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52a6e5a3a16f96120ae4c65bffa1be6825d51abc3c564d82d737c463d63f12cf"
+checksum = "dc8a4ddde6cbfda35f6ea9ee34d1aa292521370996d1024bdb08fdd0caa40ee8"
 dependencies = [
  "libc",
  "signal-hook 0.3.17",
diff --git a/Cargo.toml b/Cargo.toml
index 0deff5a3..8de86fe5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -89,7 +89,7 @@ versions = "6.3.2"
 which = "6.0.2"
 yaml-rust2 = "0.8.1"
 
-process_control = { version = "4.2.0", features = ["crossbeam-channel"] }
+process_control = { version = "4.2.1", features = ["crossbeam-channel"] }
 
 guess_host_triple = "0.1.3"
 home = "0.5.9"