diff --git a/sources b/sources
index b19a21d..7b04c4c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (lxml-4.2.3.tgz) = 40852e44a0fe105c1296438e970bd46d590b73c9e4f2b3badd5795d7c53d6db3ab9827cab4f74dd94760dc538f50c14ef5bf5ae268b2e8ddeba377adcc92a6f1
+SHA1 (lxml-4.2.3.tgz) = 536c9ced5d03e8d871ebf21748ed36a2f7ddf668