diff --git a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/PackageList.java b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/PackageList.java
index db822b265..b1a747e0e 100644
--- a/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/PackageList.java
+++ b/org.hl7.fhir.utilities/src/main/java/org/hl7/fhir/utilities/npm/PackageList.java
@@ -128,6 +128,33 @@ public class PackageList {
     public Instant instant() throws ParseException {
       return json.asInstant("date");
     }
+
+    /**
+     * only used for a technical correction. tcPath is the name of archive file (web reference) containing the content before correction
+     * 
+     * @param asString
+     * @param webpath
+     * @param asString2
+     * @param asString3
+     * @param fhirVersion
+     * @param tcName
+     */
+    public void update(String version, String path, String status, String sequence, FhirPublication fhirVersion, String tcPath, String date) {
+      JsonObject tc = new JsonObject();
+      json.forceArray("corrections").add(tc);
+      tc.set("version", json.asString("version"));
+      tc.set("path", tcPath);
+      tc.set("date", date);
+
+      json.set("version", version);      
+      json.set("path", path);
+      json.set("status", status);
+      json.set("sequence", sequence);
+      if (fhirVersion != null) {
+        json.set("fhirversion", fhirVersion.toCode());
+      }
+      setDate(date);
+    }
   }
   
   private String source;