diff --git a/.gitignore b/.gitignore
index b3fd3cc..bda3d18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/plexus-interpolation-1.26.tar.gz
+/plexus-interpolation-1.26.tar.gz
diff --git a/sources b/sources
index 2567740..90eb77e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (plexus-interpolation-1.26.tar.gz) = a790bb4bb94a888c61f696477133c27e7e952b61
+SHA512 (plexus-interpolation-1.26.tar.gz) = 3503cb2b8d9331b9cc1effe271317c69dc8969775dac59b61b82e72a7924b63bae7414b61d9f2693e6a539863a10d53177603979c2529b01052f00e65891dc54