diff --git a/Project.toml b/Project.toml
index b5bb2b7..086a32e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,9 +19,10 @@ Expronicon = "0.10.3"
 Graphs = "1"
 MLStyle = "0.4"
 Multigraphs = "0.3"
+OMEinsum = "0.7"
 YaoHIR = "0.2"
 YaoLocations = "0.1"
-julia = ">= 1.6"
+julia = "1.9"
 
 [extras]
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"