diff --git a/Cargo.lock b/Cargo.lock
index 958417e..11d861b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -380,12 +380,13 @@ checksum = "981520c98f422fcc584dc1a95c334e6953900b9106bc47a9839b81790009eb21"
 
 [[package]]
 name = "cc"
-version = "1.0.83"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
+checksum = "74b6a57f98764a267ff415d50a25e6e166f3831a5071af4995296ea97d210490"
 dependencies = [
  "jobserver",
  "libc",
+ "once_cell",
 ]
 
 [[package]]
@@ -1272,9 +1273,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.16"
+version = "1.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
+checksum = "c15da26e5af7e25c90b37a2d75cdbf940cf4a55316de9d84c679c9b8bfabf82e"
 dependencies = [
  "cc",
  "pkg-config",