diff --git a/Project.toml b/Project.toml
index b0f2915..1e6efc0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,7 +25,7 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
 CSV = "0.10.15"
-Chain = "0.6.0"
+Chain = "0.6.0, 1"
 Cleaner = "1.1.1"
 Conda = "1.10.2"
 Crayons = "4.1.1"