diff --git a/.apache-commons-compress.metadata b/.apache-commons-compress.metadata
new file mode 100644
index 0000000..4bef365
--- /dev/null
+++ b/.apache-commons-compress.metadata
@@ -0,0 +1 @@
+9216b24e69c391983dab2af1496b97e449208422 commons-compress-1.20-src.tar.gz
diff --git a/.gitignore b/.gitignore
index 58cd9f3..4e502e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/commons-compress-1.20-src.tar.gz
+/commons-compress-1.20-src.tar.gz
diff --git a/sources b/sources
index 74d3c95..131952c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (commons-compress-1.20-src.tar.gz) = 9216b24e69c391983dab2af1496b97e449208422
+SHA512 (commons-compress-1.20-src.tar.gz) = 1794bae69e00339d9e4d35b3276543ff6f9a0f1614ec9bd7c4ec8ff1bc86d08cd48e9dc3ec712b969cf8ccd61ef6054d0c6203d7cba0c28b22e6a3ecccd0c43e