diff --git a/.gitignore b/.gitignore
index b3369cd..d3be09a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /libpinyin-0.2.99.2.tar.gz
 /libpinyin-0.2.99.3.tar.gz
 /libpinyin-0.3.0.tar.gz
+/libpinyin-0.4.91.tar.gz
diff --git a/sources b/sources
index 6f12f0f..5213bc8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-fbb97e0a07eab0cc55aff067598a4d68  libpinyin-0.3.0.tar.gz
+09574ab807a968b3376876c210692734  libpinyin-0.4.91.tar.gz