diff --git a/.gitignore b/.gitignore
index e168b6d..13b890e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -85,3 +85,4 @@
 /groonga-8.0.7.tar.gz
 /groonga-8.0.8.tar.gz
 /groonga-8.0.9.tar.gz
+/groonga-8.1.1.tar.gz
diff --git a/sources b/sources
index 94b61db..8894c12 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (groonga-8.0.9.tar.gz) = fe51f426caa30ad9048ddff0cb3ea247050107f5f55bc62b584705fb271a8f8add13a06959e3722f8a51a2c96deeea3d2b6436de349be83eb0881b8dbd5625f2
+SHA512 (groonga-8.1.1.tar.gz) = 205fd59c39b3cc8de8c3e7d5f6976b6d69eb97081e327b574ba03a6449e709bbddc53df5fc0baca87ac77578cecd57dda56cbc00cc432bb7e6db0819fcf01a5c