diff --git a/sources b/sources
index 057fb95..e6d8fb4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (virtualenv-15.1.0.tar.gz) = 995ce0fa007210ac2f10258999d06813ecdd6eeb
+SHA512 (virtualenv-15.1.0.tar.gz) = d7e95b8c017ec076210f30b6fd4bb44be2f7dc0257492c25bb00fee597d3ade34226d03539180f1edaf2d27b361f8efdabb92d3476e13785b890878ee1295cb2