diff --git a/.gitignore b/.gitignore
index c7607cd..0236b1e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,4 @@
 /llvm-4.0.1.src.tar.xz
 /llvm-5.0.0.src.tar.xz
 /llvm-5.0.1.src.tar.xz
+/llvm-6.0.0rc1.src.tar.xz
diff --git a/sources b/sources
index 16fb09f..0163c50 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (llvm-5.0.1.src.tar.xz) = bee1d45fca15ce725b1f2b1339b13eb6f750a3a321cfd099075477ec25835a8ca55b5366172c4aad46592dfd8afe372349ecf264f581463d017f9cee2d63c1cb
+SHA512 (llvm-6.0.0rc1.src.tar.xz) = aad7372508b661854e16e8a14bc9a40a2d8c8802c2b7ef7a89d8e58cedb30cf50b165f1807f011d4f4f7b1f6eaffc000e6bc05aa5a13d0b748b4dce8f1f026ab