diff --git a/Package.swift b/Package.swift
index 9ccae87..f97e061 100644
--- a/Package.swift
+++ b/Package.swift
@@ -16,7 +16,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/SwiftDocOrg/GraphViz.git", from: "0.4.1"),
-        .package(url: "https://github.com/davecom/SwiftGraph.git", from: "3.1.0"),
+        .package(url: "https://github.com/davecom/SwiftGraph.git", from: "4.0.0"),
         .package(name: "SnapshotTesting", url: "https://github.com/pointfreeco/swift-snapshot-testing.git", from: "1.11.0"),
     ],
     targets: [