diff --git a/.gitignore b/.gitignore
index 79b0495..f6dfd9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/objectweb-asm-7.3.1.tar.gz
+/objectweb-asm-7.3.1.tar.gz
diff --git a/.objectweb-asm.metadata b/.objectweb-asm.metadata
new file mode 100644
index 0000000..59af4f2
--- /dev/null
+++ b/.objectweb-asm.metadata
@@ -0,0 +1 @@
+84de14cafe66de33312d0e4814f93a515508979a objectweb-asm-7.3.1.tar.gz
diff --git a/sources b/sources
index c6a2839..df4d419 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (objectweb-asm-7.3.1.tar.gz) = 84de14cafe66de33312d0e4814f93a515508979a
+SHA512 (objectweb-asm-7.3.1.tar.gz) = 8b7523a7a56d1bf802c6bc476e8fbd23911952143c619cfce9b976e66aa6b5dbce5eda4567060c020ab098821942acd9c0539e00ba0c445548da9b67ff932cd4