diff --git a/.gitignore b/.gitignore
index dcc78ed..3e11165 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/libslirp-4.3.1.tar.xz
+/libslirp-4.3.1.tar.xz
diff --git a/.libslirp.metadata b/.libslirp.metadata
new file mode 100644
index 0000000..67aeef0
--- /dev/null
+++ b/.libslirp.metadata
@@ -0,0 +1 @@
+f69c50c264a465bde6fe0cd6b577e2f1c0b20ece libslirp-4.3.1.tar.xz
diff --git a/sources b/sources
index b7e568c..0011b1f 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (libslirp-4.3.1.tar.xz) = f69c50c264a465bde6fe0cd6b577e2f1c0b20ece
+SHA512 (libslirp-4.3.1.tar.xz) = b34793d67dbe15302a16562ce6e63063eec04f8ca1a6fdb5c10891de9fbcc59877c30d4883cd8c5d911147981401b93dacae538a5b85253bde5e44edea6c228c