diff --git a/src/Artifacts.toml b/src/Artifacts.toml
new file mode 100644
index 0000000..c584df5
--- /dev/null
+++ b/src/Artifacts.toml
@@ -0,0 +1,2 @@
+[gnuplot-palettes]
+git-tree-sha1 = "3ec13a0d8f63c6d012ec0e53d42abd85c91f75c5"