diff --git a/once_cell-fix-metadata.diff b/once_cell-fix-metadata.diff
new file mode 100644
index 0000000..2bfda04
--- /dev/null
+++ b/once_cell-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- once_cell-0.1.8/Cargo.toml	1970-01-01T01:00:00+01:00
++++ once_cell-0.1.8/Cargo.toml	2019-02-12T08:54:21.124719+01:00
+@@ -14,7 +14,7 @@
+ name = "once_cell"
+ version = "0.1.8"
+ authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
+-exclude = ["*.png", "*.svg"]
++exclude = ["*.png", "*.svg", "/.travis.yml", "/Cargo.lock.min"]
+ description = "Single assignment cells and lazy static values without macros."
+ documentation = "https://docs.rs/once_cell"
+ readme = "README.md"