diff --git a/Project.toml b/Project.toml
index ed307682..84535492 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,6 +12,6 @@ MutableArithmetics = "d8a4904e-b15c-11e9-3269-09a3773c0cb0"
 
 [compat]
 ChainRulesCore = "1"
-DataStructures = "0.17.7, 0.18"
+DataStructures = "0.17.7, 0.18, 0.19"
 MutableArithmetics = "0.3, 1"
 julia = "1.6"