diff --git a/.gitignore b/.gitignore
index 5810cd3..ef25622 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/release_v2.20.tar.gz
+/release_v2.20.tar.gz
diff --git a/sources b/sources
index fa47df1..4789666 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (release_v2.20.tar.gz) = 3a7e92b87f9fe0b863ec99b0c4ee9f90a32a3c3f
+SHA512 (release_v2.20.tar.gz) = d2dc48727750ec0a80d5e3b0c9fba390c3647416a3e18cad59429edb9f55d043c7695c52301b037c93af5d96ffc85fcba7cd54d376abdb89e973759c59fa189d