diff --git a/Cargo.lock b/Cargo.lock
index e9e5528..af15709 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -146,9 +146,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.27"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964"
+checksum = "2900ede94e305130c13ddd391e0ab7cbaeb783945ae07a279c268cb05109c6cb"
 
 [[package]]
 name = "ppv-lite86"