diff --git a/sources b/sources
index 97b6b14..a946bfa 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (rel_3_18_1_ga.tar.gz) = 8cdf8c938f3dc030ca375ea062c1e6fb4d42cd3c44d3c5c0be1a1f400c93f5de23e6d700b4c1a9de43500e1fad7a79214de2b5acaa758ad04015eeef194accd7
+SHA1 (rel_3_18_1_ga.tar.gz) = 5d324211878a9d7cc94fbd400a6dfa7f85e55bb7