diff --git a/Cargo.lock b/Cargo.lock
index 4e5ba6c66..a4e001750 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -689,9 +689,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.21"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10e2fcbb64ecbe64c8e040a386c3104d384583af58b956d870aaaf229df6e66d"
+checksum = "12295df4f294471248581bc09bef3c38a5e46f1e36d6a37353621a0c6c357e1f"
 
 [[package]]
 name = "pnet"