diff --git a/.gitignore b/.gitignore
index 71f0ff5..e797ee0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/jwcrypto-0.5.0.tar.gz
+/jwcrypto-0.5.0.tar.gz
diff --git a/.python-jwcrypto.metadata b/.python-jwcrypto.metadata
new file mode 100644
index 0000000..fc3aa8e
--- /dev/null
+++ b/.python-jwcrypto.metadata
@@ -0,0 +1 @@
+8eccc6fbeeee2fedc602998a7c7a97b8bd550e59 jwcrypto-0.5.0.tar.gz
diff --git a/sources b/sources
index 60e6765..419dac6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (jwcrypto-0.5.0.tar.gz) = 8eccc6fbeeee2fedc602998a7c7a97b8bd550e59
+SHA512 (jwcrypto-0.5.0.tar.gz) = 78a670a0a24c772ed8fd04f8786f34a9cfd1c74cb0943897f9e09bfd73344a7836c6930e0c22e123db5a02d129cec2a9133081166f97b5c76d05ada7b1831089