diff --git a/Cargo.lock b/Cargo.lock
index ccdc5e6..90f6487 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,18 +5,9 @@ version = 3
 
 [[package]]
 name = "cc"
-version = "1.0.82"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "305fe645edc1442a0fa8b6726ba61d422798d37a52e12eaecf4b022ebbb88f01"
-dependencies = [
- "libc",
-]
-
-[[package]]
-name = "libc"
-version = "0.2.147"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
+checksum = "9b918671670962b48bc23753aef0c51d072dca6f52f01f800854ada6ddb7f7d3"
 
 [[package]]
 name = "md5-asm"