diff --git a/Project.toml b/Project.toml
index bb2eb29..2cc9670 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,14 +8,13 @@ InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 
 [compat]
-julia = "1"
+DataStructures = "0.17, 0.18"
 MacroTools = "0.5.4"
-DataStructures = "0.17"
+julia = "1"
 
 [extras]
 Suppressor = "fd094767-a336-5f1f-9728-57cf17d0bbfb"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
-
 [targets]
 test = ["Suppressor", "Test"]