diff --git a/Project.toml b/Project.toml
index 97387a8..d3dad31 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,4 +27,4 @@ StatsBase = "0.34"
 ProgressMeter = "1.7.2"
 JuMP = "1.11"
 HiGHS = "1.5"
-julia = "1.8" 
+julia = "1.9"