diff --git a/build/pkgs/pkgconfig/checksums.ini b/build/pkgs/pkgconfig/checksums.ini
index 35ac385cfa6..2bd38c7565f 100644
--- a/build/pkgs/pkgconfig/checksums.ini
+++ b/build/pkgs/pkgconfig/checksums.ini
@@ -2,3 +2,4 @@ tarball=pkgconfig-VERSION.tar.gz
 sha1=9db3e565c5bd85ceee16cbc162ab4f2f5019153c
 md5=0d889edf670b644bfeaa3bb9444169cb
 cksum=3590715331
+upstream_url=https://pypi.io/packages/source/p/pkgconfig/pkgconfig-VERSION.tar.gz