diff --git a/.gitignore b/.gitignore
index 4e4f490..4786336 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/nginx-1.20.1.tar.gz
+/nginx-1.20.1.tar.gz
diff --git a/.nginx.metadata b/.nginx.metadata
new file mode 100644
index 0000000..abc57bf
--- /dev/null
+++ b/.nginx.metadata
@@ -0,0 +1 @@
+6b4ab4eff3c617e133819f43fdfc14708e593a79 nginx-1.20.1.tar.gz
diff --git a/sources b/sources
index 92054b8..e7e60c5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (nginx-1.20.1.tar.gz) = 6b4ab4eff3c617e133819f43fdfc14708e593a79
+SHA512 (nginx-1.20.1.tar.gz) = 3d9fd4bf2740eaf20fcc3c77260a3556aaf9dff2879afc2dbb5fff364dea27313ffbc51d335e9fc9c0186a2a44dac055ef60fde0d411b8cf842fdf661478c961