diff --git a/.gitignore b/.gitignore
index 0efd754f..29a1a488 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,7 @@
 /__tests__/r4/
 /r4/
 /stu3/
+/sample-app/node_modules/
+/fhirValidatorr4.js
+/fhirValidatorstu3.js
+/index.js
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 00000000..2399683a
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1 @@
+node-options=--max_old_space_size=32768
diff --git a/package-lock.json b/package-lock.json
index 0c644c97..780474c9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@d4l/js-fhir-validator",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -775,9 +775,9 @@
       "dev": true
     },
     "ajv": {
-      "version": "7.2.3",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-7.2.3.tgz",
-      "integrity": "sha512-idv5WZvKVXDqKralOImQgPM9v6WOdLNa0IY3B3doOjw/YxRGT8I+allIJ6kd7Uaj+SF1xZUSU+nPM5aDNBVtnw==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.0.3.tgz",
+      "integrity": "sha512-Df6NAivu9KpZw+q8ySijAgLvr1mUA5ihkRvCLCxpdYR21ann5yIuN+PpFxmweSj7i3yjJ0x5LN5KVs0RRzskAQ==",
       "requires": {
         "fast-deep-equal": "^3.1.1",
         "json-schema-traverse": "^1.0.0",
diff --git a/package.json b/package.json
index 49d2f5b7..b41a78dc 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "@d4l/js-fhir-validator",
-  "version": "1.0.3",
+  "version": "1.0.4",
   "description": "Runtime FHIR Validator",
   "main": "index.js",
   "scripts": {
-    "test": "jest __tests__/r4; jest __tests__/stu3",
+    "test": "jest __tests__/r4 --runInBand; jest __tests__/stu3 --runInBand",
     "build": "npm run build:r4; npm run build:index; npm run build:stu3; npm run compress-files",
     "build:index": "npx ajv compile -s fhir.schema.v401.json -o index.js",
     "build:test": "node ./scripts/generate-test-scripts.js",
@@ -15,7 +15,7 @@
     "generate-validator-scripts": "node ./scripts/generate-validator-scripts.js"
   },
   "dependencies": {
-    "ajv": "^7.2.3",
+    "ajv": "^8.0.3",
     "terser": "^5.3.8"
   },
   "devDependencies": {
diff --git a/sample-app/src/components/Validator.vue b/sample-app/src/components/Validator.vue
index 509c229a..9ee13076 100644
--- a/sample-app/src/components/Validator.vue
+++ b/sample-app/src/components/Validator.vue
@@ -2,7 +2,7 @@
   <AppSection id="inputregion">
     <label for="source">Your FHIR source</label>
     <textarea name="source" id="source" v-model="source"></textarea>
-    <formgroup>
+    <div class="formgroup">
       <button @click="validate" :disabled="!source || source.length < 10">
         Validate
       </button>
@@ -23,7 +23,7 @@
           v-model="version"
         /><label for="stu3">STU3</label>
       </div>
-    </formgroup>
+    </div>
   </AppSection>
   <AppSection id="resultregion" v-if="result !== null">
     <p v-show="result" class="valid">✅ Valid!</p>
@@ -73,7 +73,6 @@ import "vue-json-pretty/lib/styles.css";
 
 export default defineComponent({
   name: "Validator",
-  // components: { VueJsonPretty, "d4l-button": d4lButton },
   components: { VueJsonPretty, AppSection },
   data: function() {
     return {
@@ -116,7 +115,6 @@ export default defineComponent({
             this.result = false;
           }
           if (validatorModule) {
-            // todo: extension
             const validatorFunction = validatorModule.default;
 
             const validationResult = validatorFunction(sourceAsJson);
@@ -204,14 +202,14 @@ button:disabled {
   background: #faf8f8;
 }
 
-formgroup {
+.formgroup {
   margin-top: 20px;
   display: flex;
   align-items: center;
   justify-content: space-evenly;
 }
 
-formgroup label {
+.formgroup label {
   display: inline;
 }
 
diff --git a/sample-app/vue.config.js b/sample-app/vue.config.js
new file mode 100644
index 00000000..5f0bae4b
--- /dev/null
+++ b/sample-app/vue.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  chainWebpack: config => {
+    config.plugins.delete("prefetch");
+  }
+};
diff --git a/scripts/generate-validator-scripts.js b/scripts/generate-validator-scripts.js
index bdab15b4..3218d023 100644
--- a/scripts/generate-validator-scripts.js
+++ b/scripts/generate-validator-scripts.js
@@ -23,7 +23,7 @@ fs.readdir(jsonDirectory, (err, files) => {
     process.stdout.write(`Current progress: [${index + 1}/${files.length}]`);
 
     execSync(
-      `npx ajv compile -s ${jsonDirectory}${file} -o ${jsDirectory}${jsFileName}`
+      `npx ajv compile --strict=false -s ${jsonDirectory}${file} -o ${jsDirectory}${jsFileName}`
     );
   });
 });