diff --git a/Src/java/cqf-fhir-npm/src/main/java/org/cqframework/fhir/npm/NpmPackageManager.java b/Src/java/cqf-fhir-npm/src/main/java/org/cqframework/fhir/npm/NpmPackageManager.java
index de0534c56..1e139d07f 100644
--- a/Src/java/cqf-fhir-npm/src/main/java/org/cqframework/fhir/npm/NpmPackageManager.java
+++ b/Src/java/cqf-fhir-npm/src/main/java/org/cqframework/fhir/npm/NpmPackageManager.java
@@ -3,6 +3,7 @@
 import ca.uhn.fhir.model.primitive.IdDt;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import org.hl7.fhir.r5.context.IWorkerContext;
 import org.hl7.fhir.r5.model.ImplementationGuide;
@@ -29,23 +30,10 @@ public NpmPackageManager(ImplementationGuide sourceIg, FilesystemPackageCacheMan
     public NpmPackageManager(
             ImplementationGuide sourceIg, FilesystemPackageCacheManager fspcm, List<NpmPackage> npmList) {
         this.sourceIg = sourceIg;
-
-        if (fspcm == null) {
-            try {
-                // userMode indicates whether the packageCache is within the working directory or in the user home
-                this.fspcm = new FilesystemPackageCacheManager(true);
-            } catch (IOException e) {
-                String message = "Error creating the FilesystemPackageCacheManager: " + e.getMessage();
-                logErrorMessage(message);
-                throw new NpmPackageManagerException(message, e);
-            }
-        } else {
-            this.fspcm = fspcm;
-        }
-
         this.npmList = npmList == null ? new ArrayList<>() : npmList;
 
         try {
+            this.fspcm = fspcm != null ? fspcm : new FilesystemPackageCacheManager.Builder().build();
             loadDependencies();
         } catch (Exception e) {
             logErrorMessage(e.getMessage());
diff --git a/Src/java/cqf-fhir/src/main/java/org/cqframework/fhir/utilities/IGContext.java b/Src/java/cqf-fhir/src/main/java/org/cqframework/fhir/utilities/IGContext.java
index b028c0c65..2fa6178e9 100644
--- a/Src/java/cqf-fhir/src/main/java/org/cqframework/fhir/utilities/IGContext.java
+++ b/Src/java/cqf-fhir/src/main/java/org/cqframework/fhir/utilities/IGContext.java
@@ -113,16 +113,17 @@ public void initializeFromIg(String rootDir, String igPath, String fhirVersion)
      * Initializes from an ig.ini file in the root directory
      */
     public void initializeFromIni(String iniFile) {
-        IniFile ini = new IniFile(new File(iniFile).getAbsolutePath());
-        String rootDir = Utilities.getDirectoryForFile(ini.getFileName());
-        String igPath = ini.getStringProperty("IG", "ig");
-        String specifiedFhirVersion = ini.getStringProperty("IG", "fhir-version");
-        if (specifiedFhirVersion == null || specifiedFhirVersion == "") {
-            logMessage("fhir-version was not specified in the ini file. Trying FHIR version 4.0.1");
-            specifiedFhirVersion = "4.0.1";
-        }
         try {
-            initializeFromIg(rootDir, igPath, specifiedFhirVersion);
+            IniFile ini = new IniFile(new File(iniFile).getAbsolutePath());
+            String iniDir = Utilities.getDirectoryForFile(ini.getFileName());
+            String igPath = ini.getStringProperty("IG", "ig");
+            String specifiedFhirVersion = ini.getStringProperty("IG", "fhir-version");
+            if (specifiedFhirVersion == null || specifiedFhirVersion == "") {
+                logMessage("fhir-version was not specified in the ini file. Trying FHIR version 4.0.1");
+                specifiedFhirVersion = "4.0.1";
+            }
+
+            initializeFromIg(iniDir, igPath, specifiedFhirVersion);
         } catch (Exception e) {
             String message = String.format(
                     "Exceptions occurred initializing refresh from ini file '%s':%s", iniFile, e.getMessage());
diff --git a/Src/java/gradle.properties b/Src/java/gradle.properties
index 65cc3529f..c29de375f 100644
--- a/Src/java/gradle.properties
+++ b/Src/java/gradle.properties
@@ -3,9 +3,9 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx4096m
 
 group=info.cqframework
-version=3.15.0-SNAPSHOT
+version=3.15.0
 specification.version=1.5.2
-hapi.version=7.2.2
+hapi.version=7.4.0
 jackson.version=2.16.1
 antlr.version=4.13.1
 android.api.level=28