diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 372d331b7a..08abe50520 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -115,7 +115,7 @@ fi
 # fix output location of logs
 bash .kokoro/coerce_logs.sh
 
-if [[ "${ENABLE_BUILD_COP}" == "true" ]]
+if [[ "${ENABLE_FLAKYBOT}" == "true" ]]
 then
     chmod +x ${KOKORO_GFILE_DIR}/linux_amd64/flakybot
     ${KOKORO_GFILE_DIR}/linux_amd64/flakybot -repo=googleapis/java-core
diff --git a/.kokoro/nightly/integration.cfg b/.kokoro/nightly/integration.cfg
index 0048c8ece7..e51c7b4c6c 100644
--- a/.kokoro/nightly/integration.cfg
+++ b/.kokoro/nightly/integration.cfg
@@ -22,7 +22,7 @@ env_vars: {
 }
 
 env_vars: {
-  key: "ENABLE_BUILD_COP"
+  key: "ENABLE_FLAKYBOT"
   value: "true"
 }
 
diff --git a/.kokoro/nightly/samples.cfg b/.kokoro/nightly/samples.cfg
index f25429314f..9761fd8648 100644
--- a/.kokoro/nightly/samples.cfg
+++ b/.kokoro/nightly/samples.cfg
@@ -33,6 +33,6 @@ env_vars: {
 }
 
 env_vars: {
-  key: "ENABLE_BUILD_COP"
+  key: "ENABLE_FLAKYBOT"
   value: "true"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb3b5fa1ea..3c504c24ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [2.1.0](https://www.github.com/googleapis/java-core/compare/v2.0.5...v2.1.0) (2021-08-23)
+
+
+### Features
+
+* support downloading an emulator from an access controlled URL ([#513](https://www.github.com/googleapis/java-core/issues/513)) ([f42a707](https://www.github.com/googleapis/java-core/commit/f42a7078522461018da96196a67657809d28b15b))
+
+
+### Dependencies
+
+* update dependency com.google.api:gax-bom to v2.3.0 ([#523](https://www.github.com/googleapis/java-core/issues/523)) ([6fa1d96](https://www.github.com/googleapis/java-core/commit/6fa1d96d07a7d255e7564407364216436cad6ca3))
+* update dependency com.google.auth:google-auth-library-bom to v1.1.0 ([#526](https://www.github.com/googleapis/java-core/issues/526)) ([0fc1532](https://www.github.com/googleapis/java-core/commit/0fc1532183148d09c3005a68e528c6c438cb6ddd))
+* update dependency com.google.code.gson:gson to v2.8.8 ([#529](https://www.github.com/googleapis/java-core/issues/529)) ([92b7f97](https://www.github.com/googleapis/java-core/commit/92b7f9715eeab0a07b64437a62dd47e5eed006de))
+* update dependency com.google.errorprone:error_prone_annotations to v2.9.0 ([#528](https://www.github.com/googleapis/java-core/issues/528)) ([5ecba07](https://www.github.com/googleapis/java-core/commit/5ecba07336499fc6fddae4cfdc2bc12105ec9b66))
+* update dependency io.grpc:grpc-bom to v1.40.0 ([#525](https://www.github.com/googleapis/java-core/issues/525)) ([a1e81f7](https://www.github.com/googleapis/java-core/commit/a1e81f73a4cc29e7186adf37f1cb718c1a88f41e))
+
 ### [2.0.5](https://www.github.com/googleapis/java-core/compare/v2.0.4...v2.0.5) (2021-08-11)
 
 
diff --git a/google-cloud-core-bom/pom.xml b/google-cloud-core-bom/pom.xml
index 66872a86cf..e2f6857ff2 100644
--- a/google-cloud-core-bom/pom.xml
+++ b/google-cloud-core-bom/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-bom</artifactId>
-  <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
   </parent>
 
   <name>Google Cloud Core</name>
@@ -63,17 +63,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core</artifactId>
-        <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-grpc</artifactId>
-        <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-core-http</artifactId>
-        <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+        <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-core-grpc/pom.xml b/google-cloud-core-grpc/pom.xml
index f2ec098a3e..49eae9213c 100644
--- a/google-cloud-core-grpc/pom.xml
+++ b/google-cloud-core-grpc/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-grpc</artifactId>
-  <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core gRPC</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-grpc</site.installationModule>
diff --git a/google-cloud-core-http/pom.xml b/google-cloud-core-http/pom.xml
index c350b80ebc..d9dc11207b 100644
--- a/google-cloud-core-http/pom.xml
+++ b/google-cloud-core-http/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-http</artifactId>
-  <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core HTTP</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core-http</site.installationModule>
diff --git a/google-cloud-core/pom.xml b/google-cloud-core/pom.xml
index ae00e42422..0eb5cb0f5c 100644
--- a/google-cloud-core/pom.xml
+++ b/google-cloud-core/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core</artifactId>
-  <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Core</name>
   <url>https://github.com/googleapis/java-core</url>
@@ -13,7 +13,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-core-parent</artifactId>
-    <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+    <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-core</site.installationModule>
diff --git a/google-cloud-core/src/main/java/com/google/cloud/testing/BaseEmulatorHelper.java b/google-cloud-core/src/main/java/com/google/cloud/testing/BaseEmulatorHelper.java
index 9a0898960a..9679c6299c 100644
--- a/google-cloud-core/src/main/java/com/google/cloud/testing/BaseEmulatorHelper.java
+++ b/google-cloud-core/src/main/java/com/google/cloud/testing/BaseEmulatorHelper.java
@@ -38,6 +38,7 @@
 import java.net.HttpURLConnection;
 import java.net.ServerSocket;
 import java.net.URL;
+import java.net.URLConnection;
 import java.nio.channels.Channels;
 import java.nio.channels.ReadableByteChannel;
 import java.nio.file.Files;
@@ -316,6 +317,7 @@ protected static class DownloadableEmulatorRunner implements EmulatorRunner {
     private final String md5CheckSum;
     private final URL downloadUrl;
     private final String fileName;
+    private String accessToken;
     private Process process;
     private static final Logger log = Logger.getLogger(DownloadableEmulatorRunner.class.getName());
 
@@ -328,6 +330,12 @@ public DownloadableEmulatorRunner(
       this.fileName = splitUrl[splitUrl.length - 1];
     }
 
+    public DownloadableEmulatorRunner(
+        List<String> commandText, URL downloadUrl, String md5CheckSum, String accessToken) {
+      this(commandText, downloadUrl, md5CheckSum);
+      this.accessToken = accessToken;
+    }
+
     @Override
     public boolean isAvailable() {
       try {
@@ -420,7 +428,11 @@ private File downloadZipFile() throws IOException {
         if (log.isLoggable(Level.FINE)) {
           log.fine("Fetching emulator");
         }
-        ReadableByteChannel rbc = Channels.newChannel(downloadUrl.openStream());
+        URLConnection urlConnection = downloadUrl.openConnection();
+        if (accessToken != null) {
+          urlConnection.setRequestProperty("Authorization", "Bearer " + accessToken);
+        }
+        ReadableByteChannel rbc = Channels.newChannel(urlConnection.getInputStream());
         try (FileOutputStream fos = new FileOutputStream(zipFile)) {
           fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
         }
diff --git a/google-cloud-core/src/test/java/com/google/cloud/testing/BaseEmulatorHelperTest.java b/google-cloud-core/src/test/java/com/google/cloud/testing/BaseEmulatorHelperTest.java
index 3a799e2044..b002a6198b 100644
--- a/google-cloud-core/src/test/java/com/google/cloud/testing/BaseEmulatorHelperTest.java
+++ b/google-cloud-core/src/test/java/com/google/cloud/testing/BaseEmulatorHelperTest.java
@@ -108,6 +108,7 @@ public void testEmulatorHelperDownloadWithRetries()
     String mockInputStream = "mockInputStream";
     String mockProtocol = "mockProtocol";
     String mockFile = "mockFile";
+    String mockAccessToken = "mockAccessToken";
     String mockCommandText = "mockCommandText";
 
     MockURLStreamHandler mockURLStreamHandler = EasyMock.createMock(MockURLStreamHandler.class);
@@ -119,6 +120,7 @@ public void testEmulatorHelperDownloadWithRetries()
     EasyMock.expect(mockURLConnection.getInputStream())
         .andReturn(new ByteArrayInputStream(mockInputStream.getBytes()))
         .anyTimes();
+    mockURLConnection.setRequestProperty("Authorization", "Bearer " + mockAccessToken);
     EasyMock.expect(mockURLStreamHandler.openConnection(EasyMock.anyObject(URL.class)))
         .andThrow(new EOFException())
         .times(1);
@@ -130,7 +132,7 @@ public void testEmulatorHelperDownloadWithRetries()
     URL url = new URL(mockProtocol, null, 0, mockFile, mockURLStreamHandler);
     BaseEmulatorHelper.DownloadableEmulatorRunner runner =
         new BaseEmulatorHelper.DownloadableEmulatorRunner(
-            ImmutableList.of(mockCommandText), url, null);
+            ImmutableList.of(mockCommandText), url, null, mockAccessToken);
 
     File cachedFile = new File(System.getProperty("java.io.tmpdir"), mockExternalForm);
     cachedFile.delete(); // Clear the cached version so we're always testing the download
diff --git a/pom.xml b/pom.xml
index 9aa3b7bc4f..4534779a48 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-core-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.0.5</version><!-- {x-version-update:google-cloud-core:current} -->
+  <version>2.1.0</version><!-- {x-version-update:google-cloud-core:current} -->
   <name>Google Cloud Core Parent</name>
   <url>https://github.com/googleapis/java-core</url>
   <description>
@@ -14,7 +14,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-shared-config</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
   </parent>
 
   <developers>
@@ -151,14 +151,14 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <github.global.server>github</github.global.server>
     <site.installationModule>google-cloud-core-parent</site.installationModule>
-    <gax.version>2.1.0</gax.version>
+    <gax.version>2.3.0</gax.version>
     <google.api-common.version>2.0.1</google.api-common.version>
     <google.common-protos.version>2.3.2</google.common-protos.version>
     <google.iam.version>1.0.14</google.iam.version>
-    <google.auth.version>1.0.0</google.auth.version>
+    <google.auth.version>1.1.0</google.auth.version>
     <google.api.version>1.32.1</google.api.version>
     <google.http.version>1.39.2</google.http.version>
-    <grpc.version>1.39.0</grpc.version>
+    <grpc.version>1.40.0</grpc.version>
     <protobuf.version>3.17.3</protobuf.version>
     <opencensus.version>0.28.0</opencensus.version>
     <annotations-api.version>1.3.2</annotations-api.version>
@@ -169,8 +169,8 @@
     <findbugs.version>3.0.2</findbugs.version>
     <threetenbp.version>1.5.1</threetenbp.version>
     <objenesis.version>2.6</objenesis.version>
-    <errorprone.version>2.8.1</errorprone.version>
-    <gson.version>2.8.7</gson.version>
+    <errorprone.version>2.9.0</errorprone.version>
+    <gson.version>2.8.8</gson.version>
   </properties>
 
   <dependencyManagement>
diff --git a/synth.metadata b/synth.metadata
index 2d57825973..c3a8755261 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-core.git",
-        "sha": "91822485ff4b85d6ebff52682a74ee5d022b8655"
+        "sha": "55f19b5095602e39b153fb55feb8c0ab33737944"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "1a2878d6909dd10ca4e3c1b5943d6622e996054e"
+        "sha": "ff01716e16d2c6e87eaf87197b753ac9fcbbed5d"
       }
     }
   ],
diff --git a/versions.txt b/versions.txt
index 18c242318d..c0c922686a 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,4 +1,4 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-core:2.0.5:2.0.5
\ No newline at end of file
+google-cloud-core:2.1.0:2.1.0
\ No newline at end of file