diff --git a/Project.toml b/Project.toml
index 220985b..fa7645b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,4 +10,4 @@ PyCall = "438e738f-606a-5dbb-bf0a-cddfbfd45ab0"
 [compat]
 Conda = "1.10"
 PyCall = "1.96"
-julia = "1.10"
+julia = "1.9"