diff --git a/Cargo.lock b/Cargo.lock
index 0d0ffc8..3c82982 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1523,9 +1523,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.28"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69d3587f8a9e599cc7ec2c00e331f71c4e69a5f9a4b8a6efd5b07466b9736f9a"
+checksum = "2900ede94e305130c13ddd391e0ab7cbaeb783945ae07a279c268cb05109c6cb"
 
 [[package]]
 name = "pnet"