diff --git a/Cargo.lock b/Cargo.lock
index d74e1e8b..1f81486c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -603,9 +603,9 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.19.1"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
+checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
 dependencies = [
  "bitflags",
  "cc",
@@ -747,9 +747,9 @@ checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
 [[package]]
 name = "pprof"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a066eee7dbaf89a91078ceb15f56642c8d934eb2a639e7f098dd3f365651f55a"
+checksum = "234cb1ca0d59aa771d9bc7e268739d7aef6ca7e9e8d3b78d92f266cd663fd0c1"
 dependencies = [
  "backtrace",
  "inferno",