diff --git a/.gitignore b/.gitignore
index 8170de9..b439a0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/maven-shade-plugin-3.1.0-source-release.zip
+/maven-shade-plugin-3.1.0-source-release.zip
diff --git a/.maven-shade-plugin.metadata b/.maven-shade-plugin.metadata
new file mode 100644
index 0000000..d968b30
--- /dev/null
+++ b/.maven-shade-plugin.metadata
@@ -0,0 +1 @@
+3d1012e380c5bb6d88f51a298aa302022a39e1ad maven-shade-plugin-3.1.0-source-release.zip
diff --git a/sources b/sources
index 86b52e7..3641df0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (maven-shade-plugin-3.1.0-source-release.zip) = 3d1012e380c5bb6d88f51a298aa302022a39e1ad
+SHA512 (maven-shade-plugin-3.1.0-source-release.zip) = fa083184ecb4ede8ba97278de1b69786d1508866e9469a3307e832b6ce428c7e5ce1328317c35afd78b72b143d9d30c4a1efd8cbe102c25679e76b0a1fea559f