diff --git a/Project.toml b/Project.toml
index b25250f6ae3be2da7e6179bc5d385c44eb2c202c..77b20516e23430758a6d2835d597f152fd6fd02c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,7 +29,7 @@ StatsPlots = "f3b207a7-027a-5e70-b257-86293d7955fd"
 Term = "22787eb5-b846-44ae-b979-8e399b8463ab"
 
 [compat]
-julia = "1.8"
+julia = "1.8, 1.9"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"