diff --git a/Cargo.lock b/Cargo.lock
index dca265b02ae84..30a8ef87ba358 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1954,7 +1954,7 @@ dependencies = [
  "libc",
  "log",
  "mz-process-collector",
- "nix",
+ "nix 0.19.1",
  "num_cpus",
  "openssl",
  "openssl-sys",
@@ -2187,6 +2187,18 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "nix"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa9b4819da1bc61c0ea48b63b7bc8604064dd43013e7cc325df098d49cd7c18a"
+dependencies = [
+ "bitflags",
+ "cc",
+ "cfg-if 1.0.0",
+ "libc",
+]
+
 [[package]]
 name = "nom"
 version = "6.0.1"
@@ -2842,15 +2854,15 @@ dependencies = [
 
 [[package]]
 name = "pprof"
-version = "0.4.1"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91fe0f88878f44476a04f211fbe5262367f213d8de01ec584f87d60de749c4cc"
+checksum = "234cb1ca0d59aa771d9bc7e268739d7aef6ca7e9e8d3b78d92f266cd663fd0c1"
 dependencies = [
  "backtrace",
  "lazy_static",
  "libc",
  "log",
- "nix",
+ "nix 0.20.0",
  "parking_lot",
  "symbolic-demangle",
  "tempfile",
diff --git a/src/prof/Cargo.toml b/src/prof/Cargo.toml
index 573fdb7b9e999..964eb7efcd88c 100644
--- a/src/prof/Cargo.toml
+++ b/src/prof/Cargo.toml
@@ -10,7 +10,7 @@ anyhow = "1.0.38"
 backtrace = "0.3.56"
 jemalloc-ctl = { version = "0.3.0", features = ["use_std"], optional = true }
 lazy_static = "1.4.0"
-pprof = "0.4.1"
+pprof = "0.4.3"
 tempfile = "3.2.0"
 tokio = { version = "1.2.0", features = ["time"] }