diff --git a/CHANGELOG.md b/CHANGELOG.md
index 92542763..b5b7af02 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,26 @@
 # Changelog
 
+## [2.0.0](https://www.github.com/googleapis/java-essential-contacts/compare/v1.0.0...v2.0.0) (2021-08-06)
+
+
+### ⚠ BREAKING CHANGES
+
+* release gapic-generator-java v2.0.0 (#70)
+
+### Features
+
+* release gapic-generator-java v2.0.0 ([#70](https://www.github.com/googleapis/java-essential-contacts/issues/70)) ([1e3b7f4](https://www.github.com/googleapis/java-essential-contacts/commit/1e3b7f4d8eaebd2bb5c7284bd1fda437fda0a9e0))
+
+
+### Bug Fixes
+
+* owlbot post-processor should generate README ([#1154](https://www.github.com/googleapis/java-essential-contacts/issues/1154)) ([#55](https://www.github.com/googleapis/java-essential-contacts/issues/55)) ([ef7e2ca](https://www.github.com/googleapis/java-essential-contacts/commit/ef7e2ca95d572cd6fa8dddf105fd5eff9d562c4f)), closes [#1146](https://www.github.com/googleapis/java-essential-contacts/issues/1146) [#1147](https://www.github.com/googleapis/java-essential-contacts/issues/1147)
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2 ([#71](https://www.github.com/googleapis/java-essential-contacts/issues/71)) ([d2a5fee](https://www.github.com/googleapis/java-essential-contacts/commit/d2a5feef5965ef42f358c91bddfbc5eb9cdd2714))
+
 ## [1.0.0](https://www.github.com/googleapis/java-essential-contacts/compare/v0.1.3...v1.0.0) (2021-07-02)
 
 
diff --git a/google-cloud-essential-contacts-bom/pom.xml b/google-cloud-essential-contacts-bom/pom.xml
index 58d29d63..bb1e521b 100644
--- a/google-cloud-essential-contacts-bom/pom.xml
+++ b/google-cloud-essential-contacts-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts-bom</artifactId>
-  <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -56,17 +56,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-essential-contacts</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+        <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+        <version>2.0.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+        <version>2.0.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-essential-contacts/pom.xml b/google-cloud-essential-contacts/pom.xml
index f97ef907..1bcbaa33 100644
--- a/google-cloud-essential-contacts/pom.xml
+++ b/google-cloud-essential-contacts/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts</artifactId>
-  <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <packaging>jar</packaging>
   <name>Google Essential Contacts API</name>
   <url>https://github.com/googleapis/java-essential-contacts</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-essential-contacts</site.installationModule>
diff --git a/grpc-google-cloud-essential-contacts-v1/pom.xml b/grpc-google-cloud-essential-contacts-v1/pom.xml
index 032eb56b..21736c0f 100644
--- a/grpc-google-cloud-essential-contacts-v1/pom.xml
+++ b/grpc-google-cloud-essential-contacts-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-  <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+  <version>2.0.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
   <name>grpc-google-cloud-essential-contacts-v1</name>
   <description>GRPC library for google-cloud-essential-contacts</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 2d1dbb30..625bbb8b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-essential-contacts-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+  <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   <name>Google Essential Contacts API Parent</name>
   <url>https://github.com/googleapis/java-essential-contacts</url>
   <description>
@@ -60,17 +60,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-essential-contacts</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+        <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-essential-contacts-v1</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
+        <version>2.0.0</version><!-- {x-version-update:grpc-google-cloud-essential-contacts-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-        <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+        <version>2.0.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-essential-contacts-v1/pom.xml b/proto-google-cloud-essential-contacts-v1/pom.xml
index 6211ba52..50c826b8 100644
--- a/proto-google-cloud-essential-contacts-v1/pom.xml
+++ b/proto-google-cloud-essential-contacts-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-essential-contacts-v1</artifactId>
-  <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
+  <version>2.0.0</version><!-- {x-version-update:proto-google-cloud-essential-contacts-v1:current} -->
   <name>proto-google-cloud-essential-contacts-v1</name>
   <description>Proto library for google-cloud-essential-contacts</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-essential-contacts-parent</artifactId>
-    <version>1.0.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
+    <version>2.0.0</version><!-- {x-version-update:google-cloud-essential-contacts:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index c635c4f4..19012220 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-essential-contacts:1.0.0:1.0.1-SNAPSHOT
-grpc-google-cloud-essential-contacts-v1:1.0.0:1.0.1-SNAPSHOT
-proto-google-cloud-essential-contacts-v1:1.0.0:1.0.1-SNAPSHOT
+google-cloud-essential-contacts:2.0.0:2.0.0
+grpc-google-cloud-essential-contacts-v1:2.0.0:2.0.0
+proto-google-cloud-essential-contacts-v1:2.0.0:2.0.0