diff --git a/node_modules/@lavamoat/lavapack/src/pack.js b/node_modules/@lavamoat/lavapack/src/pack.js
index eb41a0a..3f891ea 100644
--- a/node_modules/@lavamoat/lavapack/src/pack.js
+++ b/node_modules/@lavamoat/lavapack/src/pack.js
@@ -203,7 +203,9 @@ function createPacker({
     const jsonSerializeableData = {
       // id,
       package: packageName,
-      file,
+      // Omit this absolute filename from bundle so that builds are reproducible between environments
+      // TODO: update lavapack with an option to omit this, and/or make this filepath relative to the current working directory
+      // file,
       // deps,
       // source: sourceMeta.code
     }
diff --git a/node_modules/@lavamoat/lavapack/src/runtime.js b/node_modules/@lavamoat/lavapack/src/runtime.js
index 58f76f3..53df0e7 100644
--- a/node_modules/@lavamoat/lavapack/src/runtime.js
+++ b/node_modules/@lavamoat/lavapack/src/runtime.js
@@ -11160,6 +11160,11 @@ function makePrepareRealmGlobalFromConfig ({ createFunctionWrapper }) {
         rootPackageCompartment.globalThis[ref] = rootPackageCompartment.globalThis
       }
 
+      // Allow root compartment to expose things to the initial execution environment of the realm.
+      // This is intended to support passing data to shims run before lockdown.
+      globalThis.rootGlobals = {}
+      rootPackageCompartment.globalThis.rootGlobals = globalThis.rootGlobals
+
       // save the compartment for use by other modules in the package
       packageCompartmentCache.set(rootPackageName, rootPackageCompartment)