diff --git a/.gitignore b/.gitignore
index 3787200..34f1c82 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,3 +89,5 @@ noarch/
 /tzcode2012j.tar.gz
 /tzdata2013b.tar.gz
 /tzcode2013b.tar.gz
+/tzdata2013c.tar.gz
+/tzcode2013c.tar.gz
diff --git a/sources b/sources
index 4783f42..7d5b562 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 6a3392cd5f1594d13c12c1a836ac8d91  javazic.tar.gz
-489dbca77d1f2e287a3987ca047bb246  tzdata2013b.tar.gz
-c8bb91ce60092ef61d628d104ad3dab1  tzcode2013b.tar.gz
+b5062217a2dea6823dd69b4dda97b249  tzdata2013c.tar.gz
+69d333d829802af4475707e32fa01681  tzcode2013c.tar.gz