diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 56c4811a6..f1e4ff603 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -6,3 +6,5 @@
 ## Other code changes
 
 * rename ig-r4.json to ig-r4.jsonx in IGs
+* move R5 package to test cases 
+
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/test/utils/TestingUtilities.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/test/utils/TestingUtilities.java
index ab2b0546b..2a10d3fb6 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/test/utils/TestingUtilities.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/test/utils/TestingUtilities.java
@@ -114,7 +114,13 @@ public class TestingUtilities extends BaseTestingUtilities {
     FilesystemPackageCacheManager pcm;
     try {
       pcm = new FilesystemPackageCacheManager(true, ToolsVersion.TOOLS_VERSION);
-      IWorkerContext fcontext = getWorkerContext(pcm.loadPackage(VersionUtilities.packageForVersion(version), version));
+      IWorkerContext fcontext = null;
+      if (VersionUtilities.isR5Ver(version)) {
+        // for purposes of stability, the R5 core package comes from the test case repository
+        fcontext = getWorkerContext(loadR5CorePackage());
+      } else {
+        fcontext = getWorkerContext(pcm.loadPackage(VersionUtilities.packageForVersion(version), version));
+      }
       fcontext.setUcumService(new UcumEssenceService(TestingUtilities.loadTestResourceStream("ucum", "ucum-essence.xml")));
       fcontext.setExpansionProfile(new Parameters());
       if (!fcontext.hasPackage("hl7.terminology.r5", null)) {
@@ -135,6 +141,10 @@ public class TestingUtilities extends BaseTestingUtilities {
     }
   }
 
+  private static NpmPackage loadR5CorePackage() throws IOException {
+    return NpmPackage.fromPackage(TestingUtilities.loadTestResourceStream("r5", "packages", "hl7.fhir.r5.core.tgz"));
+  }
+
   public static String getTerminologyCacheDirectory() {
     return TestConfig.getInstance().getTxCacheDirectory("org.hl7.fhir.r5");
   }
diff --git a/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/ParsingTests.java b/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/ParsingTests.java
index 5bfcff748..fdfc9803a 100644
--- a/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/ParsingTests.java
+++ b/org.hl7.fhir.r5/src/test/java/org/hl7/fhir/r5/test/ParsingTests.java
@@ -36,7 +36,7 @@ public class ParsingTests {
   public static Stream<Arguments> data() throws ParserConfigurationException, IOException, FHIRFormatError, SAXException {
     FilesystemPackageCacheManager pcm = new FilesystemPackageCacheManager(true, ToolsVersion.TOOLS_VERSION);
 //    npm = pcm.loadPackage("hl7.fhir.r5.examples", "5.0.0");
-    npm = NpmPackage.fromPackage(TestingUtilities.loadTestResourceStream("r5", "hl7.fhir.r5.examples.tgz"));
+    npm = NpmPackage.fromPackage(TestingUtilities.loadTestResourceStream("r5", "packages", "hl7.fhir.r5.examples.tgz"));
     List<Arguments> objects = new ArrayList<>();
     List<String> names = npm.list("package");
     for (String n : names) {