diff --git a/Cargo.lock b/Cargo.lock
index df09a4e..37fd661 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -141,9 +141,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.42"
+version = "1.0.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a61c7bce55cd2fae6ec8cb935ebd76256c2959a1f95790f6118a441c2cd5b406"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
 
 [[package]]
 name = "cfg-if"
@@ -794,9 +794,9 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "openssl"
-version = "0.10.48"
+version = "0.10.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "518915b97df115dd36109bfa429a48b8f737bd05508cf9588977b599648926d2"
+checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
@@ -826,11 +826,10 @@ checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.83"
+version = "0.9.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "666416d899cf077260dac8698d60a60b435a46d57e82acb1be3d0dad87284e5b"
+checksum = "374533b0e45f3a7ced10fcaeccca020e66656bc03dac384f852e4e5a7a8104a6"
 dependencies = [
- "autocfg 1.1.0",
  "cc",
  "libc",
  "pkg-config",