diff --git a/.gitignore b/.gitignore
index ca72b15..fef49c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /slic3r-0.9.9-01e86c2.tar.gz
 /slic3r-0.9.10b-f13c611.tar.gz
 /slic3r-0.9.10b-d0eac88.tar.gz
+/1.0.0RC1.tar.gz
diff --git a/sources b/sources
index f7f1094..adbc0ce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-5b0ae2b74a93d643f0945e152457b605  slic3r-0.9.10b-d0eac88.tar.gz
+f720fbbaeb15c3048db880dc85955927  1.0.0RC1.tar.gz