diff --git a/config/plugins/visualizations/phylocanvas/package.json b/config/plugins/visualizations/phylocanvas/package.json
index 24d6e23f0fb5..efee4654d8d6 100644
--- a/config/plugins/visualizations/phylocanvas/package.json
+++ b/config/plugins/visualizations/phylocanvas/package.json
@@ -15,6 +15,7 @@
         "build": "parcel build src/script.js --dist-dir static"
     },
     "devDependencies": {
+        "buffer": "^6.0.3",
         "parcel": "^2.12.0",
         "process": "^0.11.10"
     }