diff --git a/Project.toml b/Project.toml
index 7f20396..ee59313 100644
--- a/Project.toml
+++ b/Project.toml
@@ -28,7 +28,7 @@ DataStructures = "0.18"
 Distributions = "0.25"
 Graphs = "1"
 IterTools = "1.4"
-MetaGraphs = "0.7"
+MetaGraphs = "0.7, 0.8"
 OMEinsum = "0.7"
 PrettyTables = "2.2"
 SimpleTraits = "0.9"