diff --git a/.gitignore b/.gitignore
index 85ef4ea..0d27cc4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /stoken-0.5.tar.gz
 /stoken-ba44603cd58165144ef7b89f96f7a66f1fd46424.tar.gz
 /stoken-fd74297c4fec6333c8adf61222ce6e6affa957dd.tar.gz
+/v0.81.tar.gz
diff --git a/sources b/sources
index 66827cd..4a4d3fb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-0a9715a594b4a105795ce87f6c1cbc73  stoken-fd74297c4fec6333c8adf61222ce6e6affa957dd.tar.gz
+b0aab6d74024170b26880f7338e066f4  v0.81.tar.gz