diff --git a/Cargo.lock b/Cargo.lock
index 828bdee..5ef4ae3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -523,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.1.6"
+version = "1.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92e7e15d7610cce1d9752e137625f14e61a28cd45929b6e12e47b50fe154ee2e"
+checksum = "9702761c3935f8cc2f101793272e202c72b99da8f4224a19ddcf1279a6450bbf"
 dependencies = [
  "cc",
  "libc",
@@ -611,9 +611,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.73"
+version = "0.9.74"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5fd19fb3e0a8191c1e34935718976a3e70c112ab9a24af6d7cadccd9d90bc0"
+checksum = "835363342df5fba8354c5b453325b110ffd54044e588c539cf2f20a8014e4cb1"
 dependencies = [
  "autocfg",
  "cc",