diff --git a/packages/loader/package.json b/packages/loader/package.json
index 007a1ba19d..f651d9dc34 100644
--- a/packages/loader/package.json
+++ b/packages/loader/package.json
@@ -54,6 +54,7 @@
         "@hpcc-js/map": "^2.76.7",
         "@hpcc-js/map-deck": "^2.7.4",
         "@hpcc-js/marshaller": "^2.25.8",
+        "@hpcc-js/observablehq-compiler": "^1.2.0",
         "@hpcc-js/observable-md": "^2.54.4",
         "@hpcc-js/other": "^2.15.4",
         "@hpcc-js/phosphor": "^2.16.4",
@@ -80,4 +81,4 @@
         "url": "https://github.com/hpcc-systems/Visualization/issues"
     },
     "homepage": "https://github.com/hpcc-systems/Visualization"
-}
+}
\ No newline at end of file