diff --git a/.gitignore b/.gitignore
index 5ba1a22..d0a28a7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@
 /zchunk-1.1.5.tar.gz
 /zchunk-1.1.9.tar.gz
 /zchunk-1.1.11.tar.gz
+/zchunk-1.1.13.tar.gz
diff --git a/sources b/sources
index 2502f74..3288d04 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (zchunk-1.1.11.tar.gz) = b2c1cd1a9199c920bac385d56c1c849a7dd9ddc1a3e7d9cafb5232f602b63d44fba4ba8a5a71ec0f84b3cd982dded509b976ee5f0de6d6b43c15794c318fa983
+SHA512 (zchunk-1.1.13.tar.gz) = 47d3a3bcee1b1e1ace325e97640d3d8d4cd2e45218ebdb79f3a6b7836336d8d0fbea12450bd04f800a0f4327c9b9987c3f1e411555ccff43a23ef142da842f07