diff --git a/Project.toml b/Project.toml
index d04e9259..6ca03ef9 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,7 +16,7 @@ URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
 UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 
 [compat]
-JSON = "0.20, 0.21"
+JSON = "0.20, 0.21, 1"
 JSONRPC = "3"
 JuliaWorkspaces = "13"
 LoggingExtras = "1.2"