diff --git a/.gitignore b/.gitignore
index c8564ae..82c737c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /CommonMark-0.7.5.tar.gz
 /commonmark-0.8.1.tar.gz
 /commonmark-0.9.0.tar.gz
+/commonmark-0.9.1.tar.gz
diff --git a/sources b/sources
index 505217b..f722edc 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (commonmark-0.9.0.tar.gz) = f5cb6c9a32fdb441a229b70118652c0fd1b0f058728c594966f5fe04a58ec005feaade49fa72f3aa07b3376e4148e76203313e4f14d29fc86f2acc125533a4fa
+SHA512 (commonmark-0.9.1.tar.gz) = bacf5ef387a0c330a2128f42c42c29c1a48ae623683e6e56ad28a1621aabd72e29cd3e2d661e8207b8cc0c347d267f262a55f2145fc58f8c8aeff91e7a283324