diff --git a/Cargo.lock b/Cargo.lock
index 4eb64d4..0e31dd3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -111,9 +111,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.22"
+version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12295df4f294471248581bc09bef3c38a5e46f1e36d6a37353621a0c6c357e1f"
+checksum = "d1a3ea4f0dd7f1f3e512cf97bf100819aa547f36a6eccac8dbaae839eb92363e"
 
 [[package]]
 name = "ppv-lite86"