diff --git a/Project.toml b/Project.toml
index 5b65b3c..0ce4f2d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -28,7 +28,7 @@ Downloads = "1.6"
 HDF5 = "0.17"
 InfrastructureSystems = "2"
 LazyArtifacts = "1"
-PowerSystems = "2"
+PowerSystems = "4"
 PrettyTables = "2"
 Random = "1"
 SHA = "0.7"