diff --git a/.gitignore b/.gitignore
index 0ada89d..de1b58d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/ExtUtils-CBuilder-0.280231.tar.gz
+/ExtUtils-CBuilder-0.280231.tar.gz
diff --git a/sources b/sources
index 858390c..d2c432d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (ExtUtils-CBuilder-0.280231.tar.gz) = 6c5957ef7c22dbba2dd4eebb256d514736d249ea
+SHA512 (ExtUtils-CBuilder-0.280231.tar.gz) = 3977cf150da88aaec2c04bf5d25a8e57e7218392828a32044f70d2eb06472b37d3057a1489be044a75211fd6b805758179bcfa758915cb02e99d23e03b1656b9