diff --git a/Project.toml b/Project.toml
index b20a5da24..a0df42642 100755
--- a/Project.toml
+++ b/Project.toml
@@ -43,6 +43,7 @@ OrderedCollections = "1"
 Reexport = "0.2"
 Revise = "2"
 URIParser = "0.4"
+YAML = "0.3"
 julia = "1.2"
 
 [extras]