diff --git a/.gitignore b/.gitignore
index 71723f8..2539a09 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /automaton-1.16.0.tar.gz
 /automaton-1.17.0.tar.gz
 /automaton-2.0.1.tar.gz
+/automaton-2.2.0.tar.gz
diff --git a/sources b/sources
index 0b2757e..5ed3136 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (automaton-2.0.1.tar.gz) = dc043049313f6ce2057136149fe7bdcc0c918d153cd74fb94dacc9d471bfb0e3263bf25f8cc17fa1994af905d823c5e5583f6f5bf0c83264c638eaa47ce98cd7
+SHA512 (automaton-2.2.0.tar.gz) = 9b773ac93f17542800b93e36ca8b42ab522b2fb1c72d36256a62a37463e49e9f299fbdb9d4507b7f2a6cf678bbcd16fc86be9d20720acf0b254e1bacca4c0300