diff --git a/.gitignore b/.gitignore
index 1116c14..82d4fe4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/oss-parent-26.tar.gz
+/oss-parent-26.tar.gz
diff --git a/sources b/sources
index 5fd4d6c..d2be9fd 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (oss-parent-26.tar.gz) = 2da14ea0974333d6ab6177cb15da09fdb8773e34
+SHA512 (oss-parent-26.tar.gz) = 5f27702eaebf5416ada674a130eec27a8b3d45612cef81ee08cdc56c21a45984f5ff93978fa849e594d72036d080a23c872875abb1c01d59e85bce18370f3637