diff --git a/index.html b/index.html
index f59ebe7..ecfe147 100644
--- a/index.html
+++ b/index.html
@@ -7,12 +7,12 @@
   <title>Multiple versions of the same Elix component on a single page</title>
 
   <!-- Elix 7.0 component, which auto-registered all components with "elix-" prefix. -->
-  <script type="module" src="node_modules/elix/src/DateComboBox.js"></script>
+  <script type="module" src="node_modules/elix-7/src/DateComboBox.js"></script>
 
   <!-- Elix 8.0 component that does not auto-register itself. -->
   <script type="module">
     // Import the component we want.
-    import DateComboBox from './node_modules/elix2/src/DateComboBox.js';
+    import DateComboBox from './node_modules/elix-8/src/DateComboBox.js';
 
     // Create a subclass just in case someone else is using the same version.
     class DateComboBox2 extends DateComboBox {}
diff --git a/package-lock.json b/package-lock.json
index 753e9b2..9fb111f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3,13 +3,15 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
-    "elix": {
-      "version": "github:elix/elix#fe2608ccf503f462986f8b82d6c3a352fa750626",
-      "from": "github:elix/elix#master"
+    "elix-7": {
+      "version": "npm:elix@7.0.0",
+      "resolved": "https://registry.npmjs.org/elix/-/elix-7.0.0.tgz",
+      "integrity": "sha512-EAG7k4b7j8Qrv9KL5I5c/wgWf7fZ6BpmASuWYFHRwaUdjSDgAa15XnW22ASMjBEVL0YUqzJpbv5O5eNvkc0gLQ=="
     },
-    "elix2": {
-      "version": "github:elix/elix#98e540113c5e46d7b215dfcabb164c1015c9eca7",
-      "from": "github:elix/elix#define"
+    "elix-8": {
+      "version": "npm:elix@8.0.0",
+      "resolved": "https://registry.npmjs.org/elix/-/elix-8.0.0.tgz",
+      "integrity": "sha512-KKdXFsrbGFplF/fiVtEegc5BdnFgAfE/QFFYJOihX+uWA/3YHRSBEuu/ufJG2sHhvL515gHHERY/NvWfmi5Vtg=="
     }
   }
 }
diff --git a/package.json b/package.json
index 1a1d5e6..f91050e 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "multiple-version-example",
   "dependencies": {
-    "elix": "github:elix/elix#master",
-    "elix2": "github:elix/elix#define"
+    "elix-7": "npm:elix@7.0.0",
+    "elix-8": "npm:elix@8.0.0"
   }
 }