diff --git a/extensions/ql-vscode/package-lock.json b/extensions/ql-vscode/package-lock.json
index 21d35b48f8e..a69310fbd3a 100644
--- a/extensions/ql-vscode/package-lock.json
+++ b/extensions/ql-vscode/package-lock.json
@@ -11,6 +11,7 @@
       "license": "MIT",
       "dependencies": {
         "@floating-ui/react": "^0.27.0",
+        "@hpcc-js/wasm-graphviz": "^1.18.0",
         "@octokit/plugin-retry": "^7.2.0",
         "@octokit/plugin-throttling": "^9.6.0",
         "@octokit/rest": "^22.0.1",
@@ -3499,6 +3500,12 @@
         "dot-wasm": "deprecated/dot-wasm.js"
       }
     },
+    "node_modules/@hpcc-js/wasm-graphviz": {
+      "version": "1.20.0",
+      "resolved": "https://registry.npmjs.org/@hpcc-js/wasm-graphviz/-/wasm-graphviz-1.20.0.tgz",
+      "integrity": "sha512-29nwKSkoKoXBHPqvimS2OmWUTojU148CFMszANgWvVOh76jbRFh1ZxXAiSzVWbtQcYFcb39T8tDEAXtUjyVlMA==",
+      "license": "Apache-2.0"
+    },
     "node_modules/@hpcc-js/wasm/node_modules/ansi-regex": {
       "version": "6.2.2",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-6.2.2.tgz",
diff --git a/extensions/ql-vscode/package.json b/extensions/ql-vscode/package.json
index 26ea74ae4bb..f47ebd8c47f 100644
--- a/extensions/ql-vscode/package.json
+++ b/extensions/ql-vscode/package.json
@@ -2073,6 +2073,7 @@
     "chokidar": "^3.6.0",
     "d3": "^7.9.0",
     "d3-graphviz": "^5.6.0",
+    "@hpcc-js/wasm-graphviz": "^1.18.0",
     "fs-extra": "^11.1.1",
     "js-yaml": "^4.1.1",
     "koffi": "^2.12.0",
diff --git a/extensions/ql-vscode/test/jest-config.ts b/extensions/ql-vscode/test/jest-config.ts
index 50226916a42..15997c6ed2b 100644
--- a/extensions/ql-vscode/test/jest-config.ts
+++ b/extensions/ql-vscode/test/jest-config.ts
@@ -6,6 +6,7 @@ const transformScopes = [
   "@vscode-elements",
   "@lit",
   "@lit-labs",
+  "@hpcc-js",
 ];
 const transformPackages = [
   "before-after-hook",