diff --git a/.gitignore b/.gitignore
index 7d917c7..990942b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 SOURCES/asn1crypto-1.2.0.tar.gz
+/asn1crypto-1.2.0.tar.gz
diff --git a/sources b/sources
index 2907aae..cc3643a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA1 (asn1crypto-1.2.0.tar.gz) = 4728437cb22d427346f874474d4cdf54b78ba00e
+SHA512 (asn1crypto-1.2.0.tar.gz) = 0b1a6f35a5e87d08d8d09b5c2e3bd894ac51cb196f28968d620ce21a7f3a9a304862d6cfb9ae0723216c7917803ea542c3382856923e3d302e9da706555209d7