diff --git a/Project.toml b/Project.toml
index 41e86d2..72ad02a 100644
--- a/Project.toml
+++ b/Project.toml
@@ -36,4 +36,4 @@ Graphs = "1.6"
 KaHyPar = "0.3.1"
 Makie = "0.19"
 Suppressor = "0.2"
-julia = "1.9"
+julia = "1.6"