diff --git a/.gitignore b/.gitignore
index 815fd85..9eb022d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /1.tar.gz
 /2.tar.gz
 /3.tar.gz
+/4.tar.gz
diff --git a/sources b/sources
index 62b6ff9..2f00f8d 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (3.tar.gz) = cc69f022ac5d6cbe2e37d11f750db8e7dfb2c9df2847b4f4a0f0fcfd3c4c1e1fb96fac21f8d9b36662c4d8bc597caf285bd822c7209111a9cae3c6cda57f46f7
+SHA512 (4.tar.gz) = e66d5c771839fb674e3513361f89c141e2b2f1f64a341cf93a7d6ba98b09e5f12ba255c3fe6b6626b9e7083e450366d35017a638ba8c55d8988ae2209ef4253c