diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa4398167..1ec78b28b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,30 @@
 # Changelog
 
+## [2.2.0](https://www.github.com/googleapis/java-dialogflow/compare/v2.1.0...v2.2.0) (2020-08-10)
+
+
+### Features
+
+* **v2beta1:** add Location parent to Environment resource ([#243](https://www.github.com/googleapis/java-dialogflow/issues/243)) ([e80418c](https://www.github.com/googleapis/java-dialogflow/commit/e80418c6f4095404abb5e7a6861e42db641a561e))
+* added support for custom content types ([#250](https://www.github.com/googleapis/java-dialogflow/issues/250)) ([f06e8af](https://www.github.com/googleapis/java-dialogflow/commit/f06e8aff54ff7d494793a30860d48141455be5f0))
+
+
+### Bug Fixes
+
+* update grpc config for retry ([#230](https://www.github.com/googleapis/java-dialogflow/issues/230)) ([4447393](https://www.github.com/googleapis/java-dialogflow/commit/4447393cd9a4aa2b9ad31cad31e7aca74aca32ad))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 ([#240](https://www.github.com/googleapis/java-dialogflow/issues/240)) ([c871b9b](https://www.github.com/googleapis/java-dialogflow/commit/c871b9bb6f765f42a4d77b2088e4205f19d10603))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.3 ([#245](https://www.github.com/googleapis/java-dialogflow/issues/245)) ([2897483](https://www.github.com/googleapis/java-dialogflow/commit/2897483bd41e21842ccd9b944d28c7a07138f085))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.6 ([#254](https://www.github.com/googleapis/java-dialogflow/issues/254)) ([05369d5](https://www.github.com/googleapis/java-dialogflow/commit/05369d5fb93092f561083c69a025a05770dc1c00))
+
+
+### Documentation
+
+* more detailed docs on APIs such as Environment, Intents, Sessions. ([#247](https://www.github.com/googleapis/java-dialogflow/issues/247)) ([56a3db8](https://www.github.com/googleapis/java-dialogflow/commit/56a3db83aa1e27e8be2170502a1b1db4f10423c5))
+
 ## [2.1.0](https://www.github.com/googleapis/java-dialogflow/compare/v2.0.0...v2.1.0) (2020-06-22)
 
 
diff --git a/README.md b/README.md
index fe5a4862b..3c0147a2e 100644
--- a/README.md
+++ b/README.md
@@ -47,11 +47,11 @@ If you are using Maven without BOM, add this to your dependencies:
 
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-dialogflow:2.1.0'
+compile 'com.google.cloud:google-cloud-dialogflow:2.2.0'
 ```
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "2.1.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-dialogflow" % "2.2.0"
 ```
 [//]: # ({x-version-update-end})
 
diff --git a/google-cloud-dialogflow-bom/pom.xml b/google-cloud-dialogflow-bom/pom.xml
index 45cc78ae0..e73f4e486 100644
--- a/google-cloud-dialogflow-bom/pom.xml
+++ b/google-cloud-dialogflow-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-bom</artifactId>
-  <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,27 +64,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+        <version>2.2.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-v2beta1</artifactId>
-        <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.89.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-v2</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+        <version>2.2.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+        <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2beta1</artifactId>
-        <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.89.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dialogflow/pom.xml b/google-cloud-dialogflow/pom.xml
index eb8da0d30..f0fab91e4 100644
--- a/google-cloud-dialogflow/pom.xml
+++ b/google-cloud-dialogflow/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow</artifactId>
-  <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Dialog Flow API</name>
   <url>https://github.com/googleapis/java-dialogflow</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dialogflow</site.installationModule>
diff --git a/grpc-google-cloud-dialogflow-v2/pom.xml b/grpc-google-cloud-dialogflow-v2/pom.xml
index 5c593bf74..e5fe2d2d6 100644
--- a/grpc-google-cloud-dialogflow-v2/pom.xml
+++ b/grpc-google-cloud-dialogflow-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-v2</artifactId>
-  <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+  <version>2.2.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
   <name>grpc-google-cloud-dialogflow-v2</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-dialogflow-v2beta1/pom.xml b/grpc-google-cloud-dialogflow-v2beta1/pom.xml
index 4da47ce93..7b13b18b3 100644
--- a/grpc-google-cloud-dialogflow-v2beta1/pom.xml
+++ b/grpc-google-cloud-dialogflow-v2beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-v2beta1</artifactId>
-  <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+  <version>0.89.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
   <name>grpc-google-cloud-dialogflow-v2beta1</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-v2beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index e8fbd8774..36909484e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   <name>Google Cloud Dialog Flow API Parent</name>
   <url>https://github.com/googleapis/java-dialogflow</url>
   <description>
@@ -70,27 +70,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+        <version>2.2.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2beta1</artifactId>
-        <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.89.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-v2beta1</artifactId>
-        <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.89.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-v2</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+        <version>2.2.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow</artifactId>
-        <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+        <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
diff --git a/proto-google-cloud-dialogflow-v2/pom.xml b/proto-google-cloud-dialogflow-v2/pom.xml
index ff108fb5a..8dd391727 100644
--- a/proto-google-cloud-dialogflow-v2/pom.xml
+++ b/proto-google-cloud-dialogflow-v2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-v2</artifactId>
-  <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+  <version>2.2.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
   <name>proto-google-cloud-dialogflow-v2</name>
   <description>PROTO library for proto-google-cloud-dialogflow-v2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-dialogflow-v2beta1/pom.xml b/proto-google-cloud-dialogflow-v2beta1/pom.xml
index 521cdb357..35de4357e 100644
--- a/proto-google-cloud-dialogflow-v2beta1/pom.xml
+++ b/proto-google-cloud-dialogflow-v2beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-v2beta1</artifactId>
-  <version>0.88.1-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+  <version>0.89.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
   <name>proto-google-cloud-dialogflow-v2beta1</name>
   <description>PROTO library for proto-google-cloud-dialogflow-v2beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-parent</artifactId>
-    <version>2.1.1-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>2.2.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 3f094222b..40dce6060 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-dialogflow-v2:2.1.0:2.1.1-SNAPSHOT
-proto-google-cloud-dialogflow-v2beta1:0.88.0:0.88.1-SNAPSHOT
-grpc-google-cloud-dialogflow-v2beta1:0.88.0:0.88.1-SNAPSHOT
-grpc-google-cloud-dialogflow-v2:2.1.0:2.1.1-SNAPSHOT
-google-cloud-dialogflow:2.1.0:2.1.1-SNAPSHOT
+proto-google-cloud-dialogflow-v2:2.2.0:2.2.0
+proto-google-cloud-dialogflow-v2beta1:0.89.0:0.89.0
+grpc-google-cloud-dialogflow-v2beta1:0.89.0:0.89.0
+grpc-google-cloud-dialogflow-v2:2.2.0:2.2.0
+google-cloud-dialogflow:2.2.0:2.2.0