diff --git a/Cargo.lock b/Cargo.lock
index abecdff..40d7b11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -70,6 +70,18 @@ dependencies = [
  "os_str_bytes",
 ]
 
+[[package]]
+name = "enum-as-inner"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9720bba047d567ffc8a3cba48bf19126600e249ab7f128e9233e6376976a116"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "err-derive"
 version = "0.3.0"
@@ -231,12 +243,13 @@ dependencies = [
 
 [[package]]
 name = "sysctl"
-version = "0.4.4"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1123645dfaf2b5eac6b6c88addafc359c789b8ef2a770ecaef758c1ddf363ea4"
+checksum = "ed66d6a2ccbd656659289bc90767895b7abbdec897a0fc6031aca3ed1cb51d3e"
 dependencies = [
  "bitflags",
  "byteorder",
+ "enum-as-inner",
  "libc",
  "thiserror",
  "walkdir",
@@ -259,18 +272,18 @@ checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
 
 [[package]]
 name = "thiserror"
-version = "1.0.30"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
+checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.30"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
+checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 46b077f..5269ce8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ winreg = "0.10.1"
 windows-service = "0.4.0"
 
 [target.x86_64-unknown-freebsd.dependencies]
-sysctl = "0.4.4"
+sysctl = "0.5.4"
 
 [features]
 default = ["exe"]