diff --git a/Project.toml b/Project.toml
index a87b55d..669f832 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,7 +14,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 [compat]
 DataFrames = "1.2"
 HTTP = "1"
-JSON = "0.21"
+JSON = "0.21, 1"
 Unitful = "1.9"
 julia = "1"