diff --git a/Project.toml b/Project.toml
index 6bad4e1..617e023 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ Aqua = "0.8"
 BufferedStreams = "1.2"
 Dates = "1"
 EnumX = "1"
-JET = "0.8"
+JET = "0.4, 0.5, 0.6, 0.7, 0.8"
 TranscodingStreams = "0.9, 0.10"
 TOML = "1"
 Test = "1"