diff --git a/Project.toml b/Project.toml
index 2aff8d9..abd3e22 100644
--- a/Project.toml
+++ b/Project.toml
@@ -47,7 +47,7 @@ PyPlot = "2"
 Scratch = "1"
 Setfield = "1"
 Statistics = "1"
-julia = "1.3"
+julia = "1.9"
 
 [extras]
 LazyArtifacts = "4af54fe1-eca0-43a8-85a7-787d91b784e3"