diff --git a/.gitignore b/.gitignore
index fd799a2..8529855 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 zc.lockfile-1.0.0.tar.gz
 /zc.lockfile-1.1.0.zip
+/zc.lockfile-1.2.1.tar.gz
diff --git a/sources b/sources
index 0a2fc25..8bacdca 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-8e46b830417363501363bd09e1af1ecc  zc.lockfile-1.1.0.zip
+SHA512 (zc.lockfile-1.2.1.tar.gz) = d5e030189b54499461e8a318240a4132441835185d57f14f5ec4c3f28f3a37d0a4111fbc34c0e41d19feb96b7297a6f4d9152fa14fdff2a6e782c13b8a203edb