diff --git a/sources b/sources
index 11b3e62..d3ff04a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (psycopg2-2.8.4.tar.gz) = d4590c6e4e310d280b6b341cb23427b56b04c1ef08e877f0d99a79c6b00b959307bb18defaf1d9cea58482fb974a78760c5f26a3ece8c1f34ae1840570a71a28
+SHA1 (psycopg2-2.8.4.tar.gz) = 88d3c77951377b1686749bb252b05d4982145bb0