diff --git a/tooling/src/main/java/org/opencds/cqf/tooling/processor/BaseProcessor.java b/tooling/src/main/java/org/opencds/cqf/tooling/processor/BaseProcessor.java
index f788a819b..121a32207 100644
--- a/tooling/src/main/java/org/opencds/cqf/tooling/processor/BaseProcessor.java
+++ b/tooling/src/main/java/org/opencds/cqf/tooling/processor/BaseProcessor.java
@@ -122,7 +122,7 @@ public void initializeFromIg(String rootDir, String igPath, String fhirVersion)
         this.fhirVersion = sourceIg.getFhirVersion().get(0).getCode();
         packageId = sourceIg.getPackageId();
         canonicalBase = determineCanonical(sourceIg.getUrl());
-        packageManager = new NpmPackageManager(sourceIg, "4.3.0");
+        packageManager = new NpmPackageManager(sourceIg, this.fhirVersion);
 
         // Setup binary paths (cql source directories)
         binaryPaths = IGUtils.extractBinaryPaths(rootDir, sourceIg);