diff --git a/Cargo.lock b/Cargo.lock
index 69a28dc..2417937 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -155,9 +155,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.33"
+version = "0.3.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19f132c84eca552bf34cab8ec81f1c1dcc229b811638f9d283dceabe58c5569e"
+checksum = "f6b464fbc74e149a392436b17d523f769e057cb6877f6a5c4618bc6f11800548"
 
 [[package]]
 name = "prettyplease"