diff --git a/Project.toml b/Project.toml
index d983611..68f5ff3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 WebIO = "0f1e0344-ec1d-5b48-a673-e5cf874b6c29"
 
 [compat]
-JSExpr = "0.4, 0.5"
+JSExpr = "0.4, 0.5, 1"
 JSON = "0.18, 0.19, 0.20, 0.21"
 Observables = "0.2, 0.3, 0.4, 0.5"
 Tables = "1"