diff --git a/package-lock.json b/package-lock.json
index 77678dded8..74712bba20 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -573,7 +573,7 @@
     },
     "@types/firebase-token-generator": {
       "version": "2.0.28",
-      "resolved": "https://registry.npmjs.org/@types/firebase-token-generator/-/firebase-token-generator-2.0.28.tgz",
+      "resolved": "http://registry.npmjs.org/@types/firebase-token-generator/-/firebase-token-generator-2.0.28.tgz",
       "integrity": "sha1-Z1VIHZMk4mt6XItFXWgUg3aCw5Y=",
       "dev": true
     },
@@ -612,7 +612,7 @@
     },
     "@types/minimist": {
       "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.0.tgz",
+      "resolved": "http://registry.npmjs.org/@types/minimist/-/minimist-1.2.0.tgz",
       "integrity": "sha1-aaI6OtKcrwCX8G7aWbNh7i8GOfY=",
       "dev": true
     },
@@ -1299,7 +1299,7 @@
     },
     "binaryextensions": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/binaryextensions/-/binaryextensions-1.0.1.tgz",
+      "resolved": "http://registry.npmjs.org/binaryextensions/-/binaryextensions-1.0.1.tgz",
       "integrity": "sha1-HmN0iLNbWL2l9HdL+WpSEqjJB1U=",
       "dev": true
     },
@@ -3005,7 +3005,7 @@
     },
     "firebase-token-generator": {
       "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/firebase-token-generator/-/firebase-token-generator-2.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/firebase-token-generator/-/firebase-token-generator-2.0.0.tgz",
       "integrity": "sha1-l2fXWewTq9yZuhFf1eqZ2Lk9EgY=",
       "dev": true
     },
@@ -3393,7 +3393,7 @@
     },
     "globby": {
       "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/globby/-/globby-5.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/globby/-/globby-5.0.0.tgz",
       "integrity": "sha1-69hGZ8oNuzMLmbz8aOrCvFQ3Dg0=",
       "dev": true,
       "requires": {
@@ -4620,7 +4620,7 @@
     },
     "istextorbinary": {
       "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/istextorbinary/-/istextorbinary-1.0.2.tgz",
+      "resolved": "http://registry.npmjs.org/istextorbinary/-/istextorbinary-1.0.2.tgz",
       "integrity": "sha1-rOGTVNGpoBc+/rEITOD4ewrX3s8=",
       "dev": true,
       "requires": {
@@ -6278,7 +6278,7 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
@@ -6434,7 +6434,7 @@
     },
     "pretty-hrtime": {
       "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
+      "resolved": "http://registry.npmjs.org/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz",
       "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=",
       "dev": true
     },
@@ -6980,7 +6980,7 @@
     },
     "safe-regex": {
       "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
+      "resolved": "http://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz",
       "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=",
       "dev": true,
       "requires": {
@@ -7781,7 +7781,7 @@
     },
     "textextensions": {
       "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/textextensions/-/textextensions-1.0.2.tgz",
+      "resolved": "http://registry.npmjs.org/textextensions/-/textextensions-1.0.2.tgz",
       "integrity": "sha1-ZUhjk+4fK7A5pgy7oFsLaL2VAdI=",
       "dev": true
     },
diff --git a/src/machine-learning/machine-learning.ts b/src/machine-learning/machine-learning.ts
index 3b09d07c23..39266c0b00 100644
--- a/src/machine-learning/machine-learning.ts
+++ b/src/machine-learning/machine-learning.ts
@@ -271,7 +271,7 @@ export class Model {
     if (model.modelHash) {
       this.modelHash = model.modelHash;
     }
-    if (model.tfliteModel) {
+    if (model.tfliteModel?.gcsTfliteUri) {
       this.tfliteModel = {
         gcsTfliteUri: model.tfliteModel.gcsTfliteUri,
         sizeBytes: model.tfliteModel.sizeBytes,
diff --git a/test/unit/machine-learning/machine-learning.spec.ts b/test/unit/machine-learning/machine-learning.spec.ts
index ece3057ba6..d966d3a6c6 100644
--- a/test/unit/machine-learning/machine-learning.spec.ts
+++ b/test/unit/machine-learning/machine-learning.spec.ts
@@ -105,6 +105,21 @@ describe('MachineLearning', () => {
   };
   const MODEL2 = new Model(MODEL_RESPONSE2);
 
+  const MODEL_RESPONSE3: any = {
+    name: 'projects/test-project/models/3456789',
+    createTime: '2020-02-07T23:45:23.288047Z',
+    updateTime: '2020-02-08T23:45:23.288047Z',
+    etag: 'etag345',
+    modelHash: 'modelHash345',
+    displayName: 'model_3',
+    tags: ['tag_3', 'tag_4'],
+    state: { published: true },
+    tfliteModel: {
+      managedUpload: true,
+      sizeBytes: 22200222,
+    },
+  };
+
   const STATUS_ERROR_RESPONSE: {
     code: number;
     message: string;
@@ -245,8 +260,25 @@ describe('MachineLearning', () => {
         'gs://test-project-bucket/Firebase/ML/Models/model1.tflite');
       expect(tflite.sizeBytes).to.be.equal(16900988);
     });
+
+    it('should accept unknown fields gracefully', () => {
+      const model = new Model(MODEL_RESPONSE3);
+      expect(model.modelId).to.equal('3456789');
+      expect(model.displayName).to.equal('model_3');
+      expect(model.tags).to.deep.equal(['tag_3', 'tag_4']);
+      expect(model.createTime).to.equal(CREATE_TIME_UTC);
+      expect(model.updateTime).to.equal(UPDATE_TIME_UTC);
+      expect(model.validationError).to.be.undefined;
+      expect(model.published).to.be.true;
+      expect(model.etag).to.equal('etag345');
+      expect(model.modelHash).to.equal('modelHash345');
+      expect(model.tfliteModel).to.be.undefined;
+    });
+
   });
 
+
+
   describe('getModel', () => {
     it('should propagate API errors', () => {
       const stub = sinon