diff --git a/Cargo.lock b/Cargo.lock
index bb234ae7..0d9606ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -43,13 +43,13 @@ checksum = "61604a8f862e1d5c3229fdd78f8b02c68dcf73a4c4b05fd636d12240aaa242c1"
 
 [[package]]
 name = "assert_cmd"
-version = "1.0.8"
+version = "2.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c98233c6673d8601ab23e77eb38f999c51100d46c5703b17288c57fddf3a1ffe"
+checksum = "93ae1ddd39efd67689deb1979d80bad3bf7f2b09c6e6117c8d1f2443b5e2f83e"
 dependencies = [
  "bstr",
  "doc-comment",
- "predicates 2.0.3",
+ "predicates",
  "predicates-core",
  "predicates-tree",
  "wait-timeout",
@@ -253,7 +253,7 @@ dependencies = [
  "log",
  "nvml-wrapper",
  "once_cell",
- "predicates 1.0.8",
+ "predicates",
  "procfs",
  "regex",
  "serde",
@@ -372,15 +372,6 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
-[[package]]
-name = "crc32fast"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
-dependencies = [
- "cfg-if",
-]
-
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.1"
@@ -495,12 +486,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "difference"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
-
 [[package]]
 name = "difflib"
 version = "0.4.0"
@@ -563,23 +548,11 @@ dependencies = [
  "log",
 ]
 
-[[package]]
-name = "flate2"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e6988e897c1c9c485f43b47a529cef42fde0547f9d8d41a7062518f1d8fc53f"
-dependencies = [
- "cfg-if",
- "crc32fast",
- "libc",
- "miniz_oxide",
-]
-
 [[package]]
 name = "float-cmp"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e1267f4ac4f343772758f7b1bdcbe767c218bbab93bb432acbf5162bbf85a6c4"
+checksum = "98de4bbd547a563b716d8dfa9aad1cb19bfab00f4fa09a6a4ed21dbcf44ce9c4"
 dependencies = [
  "num-traits",
 ]
@@ -1205,28 +1178,18 @@ dependencies = [
 
 [[package]]
 name = "predicates"
-version = "1.0.8"
+version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f49cfaf7fdaa3bfacc6fa3e7054e65148878354a5cfddcf661df4c851f8021df"
+checksum = "a5aab5be6e4732b473071984b3164dbbfb7a3674d30ea5ff44410b6bcd960c3c"
 dependencies = [
- "difference",
+ "difflib",
  "float-cmp",
+ "itertools",
  "normalize-line-endings",
  "predicates-core",
  "regex",
 ]
 
-[[package]]
-name = "predicates"
-version = "2.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c6ce811d0b2e103743eec01db1c50612221f173084ce2f7941053e94b6bb474"
-dependencies = [
- "difflib",
- "itertools",
- "predicates-core",
-]
-
 [[package]]
 name = "predicates-core"
 version = "1.0.2"
@@ -1266,13 +1229,12 @@ dependencies = [
 
 [[package]]
 name = "procfs"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f2e7eea7c1d7beccbd5acc1e37ac844afccf176525674aad26ece3de1fc7733"
+checksum = "0941606b9934e2d98a3677759a971756eb821f75764d0e0d26946d08e74d9104"
 dependencies = [
  "bitflags",
  "byteorder",
- "flate2",
  "hex",
  "lazy_static",
  "libc",
diff --git a/Cargo.toml b/Cargo.toml
index a0dc6328..f5d359d2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,8 +26,6 @@ doc = false
 [profile.release]
 debug = 0
 lto = true
-# debug = true
-# lto = false
 opt-level = 3
 codegen-units = 1
 strip = "symbols"
@@ -72,7 +70,7 @@ libc = "0.2.86"
 
 [target.'cfg(target_os = "linux")'.dependencies]
 heim = { version = "0.1.0-rc.1", features = ["cpu", "disk", "net", "sensors"] }
-procfs = { version = "0.11.0", default-features = false }
+procfs = { version = "0.12.0", default-features = false }
 smol = "1.2.5"
 
 [target.'cfg(target_os = "macos")'.dependencies]
@@ -83,8 +81,8 @@ heim = { version = "0.1.0-rc.1", features = ["cpu", "disk", "memory"] }
 winapi = "0.3.9"
 
 [dev-dependencies]
-assert_cmd = "1.0.3"
-predicates = "1.0.8"
+assert_cmd = "2.0"
+predicates = "2.1"
 
 [build-dependencies]
 clap = "2.33"