diff --git a/Project.toml b/Project.toml
index e3493b2..308e190 100644
--- a/Project.toml
+++ b/Project.toml
@@ -9,7 +9,7 @@ JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 Suppressor = "fd094767-a336-5f1f-9728-57cf17d0bbfb"
 
 [compat]
-DataStructures = "0.17, 0.19"
+DataStructures = "0.17, 0.19, 0.18"
 FileIO = "1"
 JLD2 = "0.2, 0.3"
 Suppressor = "0.2, 0.3"