diff --git a/Project.toml b/Project.toml
index 02a3529d..b9c47a4e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ITensorDocsNext"
 uuid = "701fd796-f527-45da-9a53-2681c1a90c45"
-version = "0.1.20"
+version = "0.1.21"
 authors = ["ITensor developers <support@itensor.org> and contributors"]
 
 [workspace]
diff --git a/docs/src/ecosystem_overview.md b/docs/src/ecosystem_overview.md
index 0fd5c726..dfefa418 100644
--- a/docs/src/ecosystem_overview.md
+++ b/docs/src/ecosystem_overview.md
@@ -1,10 +1,13 @@
 # ITensor Ecosystem Overview
 
 ```mermaid
-graph TD
-    ITensorNetworksNext(ITensorNetworksNext.jl) --> ITensorBase(ITensorBase.jl)
-    ITensorNetworksNext --> DataGraphs(DataGraphs.jl)
-    DataGraphs --> NamedGraphs(NamedGraphs.jl)
-    ITensorBase --> TensorAlgebra(TensorAlgebra.jl)
-    GradedArrays(GradedArrays.jl) --> TensorAlgebra
+graph BT
+    ITensorBase(ITensorBase.jl) --> ITensorNetworksNext(ITensorNetworksNext.jl)
+    DataGraphs(DataGraphs.jl) --> ITensorNetworksNext
+    NamedGraphs(NamedGraphs.jl) --> DataGraphs
+    TensorAlgebra(TensorAlgebra.jl) --> ITensorBase
+    TensorAlgebra --> GradedArrays(GradedArrays.jl)
+    GradedArrays -.-> ITensorBase
 ```
+
+Arrows point from a package to the packages that depend on it. Dotted arrows are weak dependencies, loaded through package extensions.