diff --git a/Cargo.lock b/Cargo.lock
index 42a8e5ee6e..e405df5a9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1268,7 +1268,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e11dcc7e4d79a8c89b9ab4c6f5c30b1fc4a83c420792da3542fd31179ed5f517"
 dependencies = [
  "cfg-if",
- "rustix",
+ "rustix 0.35.11",
  "windows-sys 0.36.1",
 ]
 
@@ -1884,6 +1884,16 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ea37f355c05dde75b84bba2d767906ad522e97cd9e2eef2be7a4ab7fb442c06"
 
+[[package]]
+name = "io-lifetimes"
+version = "1.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1abeb7a0dd0f8181267ff8adc397075586500b81b28a73e8a0208b00fc170fb3"
+dependencies = [
+ "libc",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.5.0"
@@ -2189,6 +2199,12 @@ version = "0.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4d2456c373231a208ad294c33dc5bff30051eafd954cd4caae83a712b12854d"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -3943,9 +3959,9 @@ dependencies = [
 
 [[package]]
 name = "procfs"
-version = "0.14.1"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2dfb6451c91904606a1abe93e83a8ec851f45827fa84273f256ade45dc095818"
+checksum = "943ca7f9f29bab5844ecd8fdb3992c5969b6622bb9609b9502fef9b4310e3f1f"
 dependencies = [
  "bitflags",
  "byteorder",
@@ -3953,7 +3969,7 @@ dependencies = [
  "flate2",
  "hex",
  "lazy_static",
- "rustix",
+ "rustix 0.36.8",
 ]
 
 [[package]]
@@ -4464,12 +4480,26 @@ checksum = "fbb2fda4666def1433b1b05431ab402e42a1084285477222b72d6c564c417cef"
 dependencies = [
  "bitflags",
  "errno 0.2.8",
- "io-lifetimes",
+ "io-lifetimes 0.7.3",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.0.46",
  "windows-sys 0.36.1",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.36.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f43abb88211988493c1abb44a70efa56ff0ce98f233b7b276146f1f3f7ba9644"
+dependencies = [
+ "bitflags",
+ "errno 0.2.8",
+ "io-lifetimes 1.0.5",
+ "libc",
+ "linux-raw-sys 0.1.4",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.9"
@@ -5138,7 +5168,7 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8440c860cf79def6164e4a0a983bcc2305d82419177a0e0c71930d049e3ac5a1"
 dependencies = [
- "rustix",
+ "rustix 0.35.11",
  "windows-sys 0.36.1",
 ]
 
diff --git a/crates/nu-system/Cargo.toml b/crates/nu-system/Cargo.toml
index 7c02d4c7aa..8abcd54c4d 100644
--- a/crates/nu-system/Cargo.toml
+++ b/crates/nu-system/Cargo.toml
@@ -21,7 +21,7 @@ nix = { version = "0.25", default-features = false, features = ["fs", "term", "p
 atty = "0.2"
 
 [target.'cfg(any(target_os = "linux", target_os = "android"))'.dependencies]
-procfs  = "0.14.0"
+procfs  = "0.15.1"
 
 [target.'cfg(target_os = "macos")'.dependencies]
 libproc = "0.12.0"
diff --git a/crates/nu-system/src/linux.rs b/crates/nu-system/src/linux.rs
index 70b3df08f4..c52681b9a3 100644
--- a/crates/nu-system/src/linux.rs
+++ b/crates/nu-system/src/linux.rs
@@ -190,8 +190,7 @@ impl ProcessInfo {
                 let curr_time = cs.utime + cs.stime;
                 let prev_time = ps.utime + ps.stime;
 
-                let usage_ms =
-                    (curr_time - prev_time) * 1000 / procfs::ticks_per_second().unwrap_or(100);
+                let usage_ms = (curr_time - prev_time) * 1000 / procfs::ticks_per_second();
                 let interval_ms =
                     self.interval.as_secs() * 1000 + u64::from(self.interval.subsec_millis());
                 usage_ms as f64 * 100.0 / interval_ms as f64
@@ -206,7 +205,7 @@ impl ProcessInfo {
     /// Memory size in number of bytes
     pub fn mem_size(&self) -> u64 {
         match self.curr_proc.stat() {
-            Ok(p) => p.rss_bytes().unwrap_or(0),
+            Ok(p) => p.rss_bytes(),
             Err(_) => 0,
         }
     }