diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000..50b279b3
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+
+## [0.121.0](https://www.github.com/googleapis/java-bigquerydatatransfer/compare/0.120.0...v0.121.0) (2020-01-08)
+
+
+### Features
+
+* migrate bigquerydatatransfer from google-cloud-java, add bom ([#3](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/3)) ([32a90c4](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/32a90c41b21c1916fe65f79b3b1ca7f87f83eeeb))
+* re-generated  to pick up changes in the API or client library generator. ([#10](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/10)) ([e0a6beb](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/e0a6bebdc0d4a262a2dbfac03cf62b5ead928971))
+
+
+### Dependencies
+
+* update dependency com.google.protobuf:protobuf-java to v3.11.1 ([#7](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/7)) ([477833c](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/477833c88cd36c7351dbbbc4aef486c1ca2f1784))
+* update dependency io.grpc:grpc-bom to v1.26.0 ([a7f4b8e](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/a7f4b8e44096a50f696db2df4a6a0fd05490c34c))
+* update dependency junit:junit to v4.13 ([#22](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/22)) ([65c914a](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/65c914aa1824e6aa88f5da28d1e1376c71fe73c2))
+* update gax.version to v1.51.0 ([#9](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/9)) ([aa81858](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/aa81858e8de6ae8f8181cff9465e443a665bd528))
+
+
+### Documentation
+
+* **regen:** update javadoc from protoc update ([#13](https://www.github.com/googleapis/java-bigquerydatatransfer/issues/13)) ([ce4f9b0](https://www.github.com/googleapis/java-bigquerydatatransfer/commit/ce4f9b02b45ab54a4cfd0fad69f563e5348bc53c))
diff --git a/README.md b/README.md
index 311c02f6..7e64a536 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ If you are using Maven with Bom, Add this to your pom.xml file.
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>libraries-bom</artifactId>
-        <version>0.120.0-beta</version>
+        <version>0.121.0-beta</version>
         <type>pom</type>
         <scope>import</scope>
        </dependency>
@@ -42,16 +42,16 @@ If you are using Maven without Bom, Add this to your dependencies.
   <dependency>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerydatatransfer</artifactId>
-    <version>0.120.0-beta</version>
+    <version>0.121.0-beta</version>
   </dependency>
 ```
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-bigquerydatatransfer:0.120.0-beta'
+compile 'com.google.cloud:google-cloud-bigquerydatatransfer:0.121.0-beta'
 ```
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigquerydatatransfer" % "0.120.0-beta"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigquerydatatransfer" % "0.121.0-beta"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/google-cloud-bigquerydatatransfer-bom/pom.xml b/google-cloud-bigquerydatatransfer-bom/pom.xml
index 98c3fbf9..5f85e24b 100644
--- a/google-cloud-bigquerydatatransfer-bom/pom.xml
+++ b/google-cloud-bigquerydatatransfer-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerydatatransfer-bom</artifactId>
-  <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+  <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,17 +64,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerydatatransfer</artifactId>
-        <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+        <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerydatatransfer-v1</artifactId>
-        <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
+        <version>0.86.0</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerydatatransfer-v1</artifactId>
-        <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
+        <version>0.86.0</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-bigquerydatatransfer/pom.xml b/google-cloud-bigquerydatatransfer/pom.xml
index 51cd7ca1..40722d9d 100644
--- a/google-cloud-bigquerydatatransfer/pom.xml
+++ b/google-cloud-bigquerydatatransfer/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerydatatransfer</artifactId>
-  <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+  <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   <packaging>jar</packaging>
   <name>BigQuery DataTransfer</name>
   <url>https://github.com/googleapis/java-bigquerydatatransfer</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerydatatransfer-parent</artifactId>
-    <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+    <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigquerydatatransfer</site.installationModule>
diff --git a/grpc-google-cloud-bigquerydatatransfer-v1/pom.xml b/grpc-google-cloud-bigquerydatatransfer-v1/pom.xml
index 1d66ebf8..d44679db 100644
--- a/grpc-google-cloud-bigquerydatatransfer-v1/pom.xml
+++ b/grpc-google-cloud-bigquerydatatransfer-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerydatatransfer-v1</artifactId>
-  <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
+  <version>0.86.0</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
   <name>grpc-google-cloud-bigquerydatatransfer-v1</name>
   <description>GRPC library for grpc-google-cloud-bigquerydatatransfer-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerydatatransfer-parent</artifactId>
-    <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+    <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 8ec5a1bb..3e9800f3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerydatatransfer-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+  <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   <name>BigQuery DataTransfer Parent</name>
   <url>https://github.com/googleapis/java-bigquerydatatransfer</url>
   <description>
@@ -81,17 +81,17 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerydatatransfer-v1</artifactId>
-        <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
+        <version>0.86.0</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerydatatransfer-v1</artifactId>
-        <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
+        <version>0.86.0</version><!-- {x-version-update:grpc-google-cloud-bigquerydatatransfer-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerydatatransfer</artifactId>
-        <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+        <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-bigquerydatatransfer-v1/pom.xml b/proto-google-cloud-bigquerydatatransfer-v1/pom.xml
index 9e140d50..c276189b 100644
--- a/proto-google-cloud-bigquerydatatransfer-v1/pom.xml
+++ b/proto-google-cloud-bigquerydatatransfer-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerydatatransfer-v1</artifactId>
-  <version>0.85.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
+  <version>0.86.0</version><!-- {x-version-update:proto-google-cloud-bigquerydatatransfer-v1:current} -->
   <name>proto-google-cloud-bigquerydatatransfer-v1</name>
   <description>PROTO library for proto-google-cloud-bigquerydatatransfer-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerydatatransfer-parent</artifactId>
-    <version>0.120.1-beta-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
+    <version>0.121.0-beta</version><!-- {x-version-update:google-cloud-bigquerydatatransfer:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 477d676d..fad3ae57 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-bigquerydatatransfer-v1:0.85.0:0.85.1-SNAPSHOT
-grpc-google-cloud-bigquerydatatransfer-v1:0.85.0:0.85.1-SNAPSHOT
-google-cloud-bigquerydatatransfer:0.120.0-beta:0.120.1-beta-SNAPSHOT
+proto-google-cloud-bigquerydatatransfer-v1:0.86.0:0.86.0
+grpc-google-cloud-bigquerydatatransfer-v1:0.86.0:0.86.0
+google-cloud-bigquerydatatransfer:0.121.0-beta:0.121.0-beta