diff --git a/sources b/sources
index b931cf6..20ad87b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (systemd-255-rc3.tar.gz) = f46eb9264fb03868926d1abaa4a90af41ac4b2c7770756b87b2f212cd40f3e0c044679d523cbea3078362b12c4a1ee50d73dbe2639980d55c394db9d1a587b6d
+SHA512 (systemd-255-rc4.tar.gz) = 7845aeed50a64771da6a5a39266fdbeb8b3b030aca18e03ad22a91bbd0c852e9c713a3cdf83b5b9d2f7f0fbb7a52c0d3a0dd44f28afb082ca340b45d9d4c78f5