diff --git a/Project.toml b/Project.toml
index 4faf46b..df69326 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,6 +9,7 @@ DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
 InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 
 [compat]
+DataStructures = "0.17"
 julia = "1"
 
 [extras]