diff --git a/packages/opentelemetry-sdk-trace-base/src/export/BatchSpanProcessorBase.ts b/packages/opentelemetry-sdk-trace-base/src/export/BatchSpanProcessorBase.ts
index 1c32c83d89..e6417d84af 100644
--- a/packages/opentelemetry-sdk-trace-base/src/export/BatchSpanProcessorBase.ts
+++ b/packages/opentelemetry-sdk-trace-base/src/export/BatchSpanProcessorBase.ts
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { context, TraceFlags } from '@opentelemetry/api';
+import { context, Context, TraceFlags } from '@opentelemetry/api';
 import {
   BindOnceFuture,
   ExportResultCode,
@@ -73,7 +73,7 @@ export abstract class BatchSpanProcessorBase<T extends BufferConfig> implements
   }
 
   // does nothing.
-  onStart(_span: Span): void {}
+  onStart(_span: Span, _parentContext: Context): void {}
 
   onEnd(span: ReadableSpan): void {
     if (this._shutdownOnce.isCalled) {
diff --git a/packages/opentelemetry-sdk-trace-base/src/export/SimpleSpanProcessor.ts b/packages/opentelemetry-sdk-trace-base/src/export/SimpleSpanProcessor.ts
index c87b864825..c775bdf6d4 100644
--- a/packages/opentelemetry-sdk-trace-base/src/export/SimpleSpanProcessor.ts
+++ b/packages/opentelemetry-sdk-trace-base/src/export/SimpleSpanProcessor.ts
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { context, TraceFlags } from '@opentelemetry/api';
+import { context, Context, TraceFlags } from '@opentelemetry/api';
 import {
   ExportResultCode,
   globalErrorHandler,
@@ -45,7 +45,7 @@ export class SimpleSpanProcessor implements SpanProcessor {
   }
 
   // does nothing.
-  onStart(_span: Span): void {}
+  onStart(_span: Span, _parentContext: Context): void {}
 
   onEnd(span: ReadableSpan): void {
     if (this._shutdownOnce.isCalled) {
diff --git a/packages/opentelemetry-sdk-trace-base/test/common/export/BatchSpanProcessorBase.test.ts b/packages/opentelemetry-sdk-trace-base/test/common/export/BatchSpanProcessorBase.test.ts
index 42a7aa3fd5..817b5bc376 100644
--- a/packages/opentelemetry-sdk-trace-base/test/common/export/BatchSpanProcessorBase.test.ts
+++ b/packages/opentelemetry-sdk-trace-base/test/common/export/BatchSpanProcessorBase.test.ts
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { diag } from '@opentelemetry/api';
+import { diag, ROOT_CONTEXT } from '@opentelemetry/api';
 import {
   AlwaysOnSampler,
   ExportResultCode,
@@ -131,14 +131,14 @@ describe('BatchSpanProcessorBase', () => {
 
       const span = createSampledSpan(`${name}_0`);
 
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
       assert.strictEqual(processor['_finishedSpans'].length, 1);
 
       await processor.forceFlush();
       assert.strictEqual(exporter.getFinishedSpans().length, 1);
 
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
       assert.strictEqual(processor['_finishedSpans'].length, 1);
 
@@ -147,7 +147,7 @@ describe('BatchSpanProcessorBase', () => {
       assert.strictEqual(spy.args.length, 2);
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
       assert.strictEqual(spy.args.length, 2);
       assert.strictEqual(processor['_finishedSpans'].length, 0);
@@ -160,7 +160,7 @@ describe('BatchSpanProcessorBase', () => {
 
       const span = createUnsampledSpan(`${name}_0`);
 
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
 
       await processor.forceFlush();
@@ -174,14 +174,14 @@ describe('BatchSpanProcessorBase', () => {
       const processor = new BatchSpanProcessor(exporter, defaultBufferConfig);
       for (let i = 0; i < defaultBufferConfig.maxExportBatchSize; i++) {
         const span = createSampledSpan(`${name}_${i}`);
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
         processor.onEnd(span);
         assert.strictEqual(exporter.getFinishedSpans().length, 0);
       }
       const span = createSampledSpan(`${name}_6`);
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
 
       setTimeout(async () => {
@@ -199,7 +199,7 @@ describe('BatchSpanProcessorBase', () => {
       const processor = new BatchSpanProcessor(exporter, defaultBufferConfig);
       for (let i = 0; i < defaultBufferConfig.maxExportBatchSize; i++) {
         const span = createSampledSpan(`${name}_${i}`);
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
         assert.strictEqual(exporter.getFinishedSpans().length, 0);
       }
@@ -218,7 +218,7 @@ describe('BatchSpanProcessorBase', () => {
       const processor = new BatchSpanProcessor(exporter, defaultBufferConfig);
       for (let i = 0; i < defaultBufferConfig.maxExportBatchSize; i++) {
         const span = createSampledSpan(`${name}_${i}`);
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
       }
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
@@ -238,7 +238,7 @@ describe('BatchSpanProcessorBase', () => {
       // start but do not end spans
       for (let i = 0; i < defaultBufferConfig.maxExportBatchSize; i++) {
         const span = tracer.startSpan('spanName');
-        processor.onStart(span as Span);
+        processor.onStart(span as Span, ROOT_CONTEXT);
       }
 
       setTimeout(() => {
@@ -266,11 +266,11 @@ describe('BatchSpanProcessorBase', () => {
         const totalSpans = defaultBufferConfig.maxExportBatchSize * 2;
         for (let i = 0; i < totalSpans; i++) {
           const span = createSampledSpan(`${name}_${i}`);
-          processor.onStart(span);
+          processor.onStart(span, ROOT_CONTEXT);
           processor.onEnd(span);
         }
         const span = createSampledSpan(`${name}_last`);
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
         clock.tick(defaultBufferConfig.scheduledDelayMillis + 10);
 
@@ -326,7 +326,7 @@ describe('BatchSpanProcessorBase', () => {
 
       it('should call an async callback when flushing is complete', done => {
         const span = createSampledSpan('test');
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
         processor.forceFlush().then(() => {
           assert.strictEqual(exporter.getFinishedSpans().length, 1);
@@ -343,7 +343,7 @@ describe('BatchSpanProcessorBase', () => {
           }, 0);
         });
         const span = createSampledSpan('test');
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
 
         processor.shutdown().then(() => {
@@ -367,7 +367,7 @@ describe('BatchSpanProcessorBase', () => {
 
         for (let i = 0; i < defaultBufferConfig.maxExportBatchSize; i++) {
           const span = createSampledSpan('test');
-          processor.onStart(span);
+          processor.onStart(span, ROOT_CONTEXT);
           processor.onEnd(span);
         }
 
@@ -402,7 +402,7 @@ describe('BatchSpanProcessorBase', () => {
         const processor = new BatchSpanProcessor(testTracingExporter);
 
         const span = createSampledSpan('test');
-        processor.onStart(span);
+        processor.onStart(span, ROOT_CONTEXT);
         processor.onEnd(span);
 
         processor.forceFlush().then(() => {
@@ -429,7 +429,7 @@ describe('BatchSpanProcessorBase', () => {
       it('should drop spans', () => {
         const span = createSampledSpan('test');
         for (let i = 0, j = 20; i < j; i++) {
-          processor.onStart(span);
+          processor.onStart(span, ROOT_CONTEXT);
           processor.onEnd(span);
         }
         assert.equal(processor['_finishedSpans'].length, 6);
diff --git a/packages/opentelemetry-sdk-trace-base/test/common/export/SimpleSpanProcessor.test.ts b/packages/opentelemetry-sdk-trace-base/test/common/export/SimpleSpanProcessor.test.ts
index 52fd2979ce..b127502ad8 100644
--- a/packages/opentelemetry-sdk-trace-base/test/common/export/SimpleSpanProcessor.test.ts
+++ b/packages/opentelemetry-sdk-trace-base/test/common/export/SimpleSpanProcessor.test.ts
@@ -68,7 +68,7 @@ describe('SimpleSpanProcessor', () => {
         spanContext,
         SpanKind.CLIENT
       );
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
       processor.onEnd(span);
@@ -92,7 +92,7 @@ describe('SimpleSpanProcessor', () => {
         spanContext,
         SpanKind.CLIENT
       );
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       assert.strictEqual(exporter.getFinishedSpans().length, 0);
 
       processor.onEnd(span);
@@ -117,7 +117,7 @@ describe('SimpleSpanProcessor', () => {
         spanContext,
         SpanKind.CLIENT
       );
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
 
       sinon.stub(exporter, 'export').callsFake((_, callback) => {
         setTimeout(() => {
@@ -195,7 +195,7 @@ describe('SimpleSpanProcessor', () => {
         SpanKind.CLIENT
       );
 
-      processor.onStart(span);
+      processor.onStart(span, ROOT_CONTEXT);
       processor.onEnd(span);
 
       const exporterCreatedSpans = testTracingExporter.getExporterCreatedSpans();
diff --git a/selenium-tests/package.json b/selenium-tests/package.json
index b3e6d4e576..be317b7b57 100644
--- a/selenium-tests/package.json
+++ b/selenium-tests/package.json
@@ -40,8 +40,8 @@
     "babel-loader": "8.2.3",
     "babel-polyfill": "6.26.0",
     "browserstack-local": "1.4.8",
-    "chromedriver": "95.0.0",
-    "dotenv": "10.0.0",
+    "chromedriver": "97.0.4",
+    "dotenv": "16.0.0",
     "fast-safe-stringify": "2.1.1",
     "geckodriver": "2.0.4",
     "nightwatch": "1.7.12",