diff --git a/IncrementalInference/Project.toml b/IncrementalInference/Project.toml
index 0515d176..b9e4be7e 100644
--- a/IncrementalInference/Project.toml
+++ b/IncrementalInference/Project.toml
@@ -95,7 +95,7 @@ ManifoldDiff = "0.3, 0.4"
 Manifolds = "0.10.17, 0.11"
 ManifoldsBase = "1, 2"
 Manopt = "0.5.14"
-MetaGraphs = "0.7, 0.8"
+MetaGraphs = "0.7, 0.8, 0.9"
 Optim = "1"
 OrderedCollections = "1"
 PrecompileTools = "1"