diff --git a/.gitignore b/.gitignore
index d0f6ae5..e0675df 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /check_mk-1.2.6p9.tar.gz
 /check_mk-1.2.6p16.tar.gz
 /check_mk-1.2.8p11.tar.gz
+/check_mk-1.2.8p18.tar.gz
diff --git a/sources b/sources
index afd07c8..d70a4d4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-d176fdd334de49c37c3c72248f7ab611  check_mk-1.2.8p11.tar.gz
+SHA512 (check_mk-1.2.8p18.tar.gz) = 4ea4afc8974717bb2aca96f95ebb6de00608cdc4f8d81a4cca519177b7c72bbab8c66e82fb84562bf5f20c4bbed0ff6d9f441fd2ddebc63149982e7b544a0a85