diff --git a/Cargo.lock b/Cargo.lock
index b8a262d..50034d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -20,15 +20,6 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 
-[[package]]
-name = "cc"
-version = "1.0.83"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -54,25 +45,14 @@ dependencies = [
 
 [[package]]
 name = "errno"
-version = "0.3.4"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "add4f07d43996f76ef320709726a556a9d4f965d9410d8d0271132d2f8293480"
+checksum = "7c18ee0ed65a5f1f81cac6b1d213b69c35fa47d4252ad41f1486dbd8226fe36e"
 dependencies = [
- "errno-dragonfly",
  "libc",
  "windows-sys",
 ]
 
-[[package]]
-name = "errno-dragonfly"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
-dependencies = [
- "cc",
- "libc",
-]
-
 [[package]]
 name = "home"
 version = "0.5.5"