diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8eb338563..2d2eaf721 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,26 @@
 # Changelog
 
+## [4.4.0](https://www.github.com/googleapis/java-dialogflow/compare/v4.3.1...v4.4.0) (2022-01-07)
+
+
+### Features
+
+* added export documentation method ([#800](https://www.github.com/googleapis/java-dialogflow/issues/800)) ([0b7f7e9](https://www.github.com/googleapis/java-dialogflow/commit/0b7f7e94a8e37d13c86f197be5011fc6166c2f1d))
+* removed OPTIONAL for speech model variant docs: added more docs for speech model variant and improved docs format for participant ([#798](https://www.github.com/googleapis/java-dialogflow/issues/798)) ([8e9684e](https://www.github.com/googleapis/java-dialogflow/commit/8e9684ef89d211adcf5b6819fc1e0f715359ec96))
+* removed OPTIONAL for speech model variant feat: supported the knowledge base in knowledge operation metadata docs: added more docs for speech model variant and improved docs format for participant ([#799](https://www.github.com/googleapis/java-dialogflow/issues/799)) ([feac480](https://www.github.com/googleapis/java-dialogflow/commit/feac4802a6b21aaf8a3a2bd656013e835a3eaf4b))
+
+
+### Bug Fixes
+
+* **java:** add -ntp flag to native image testing command ([#1299](https://www.github.com/googleapis/java-dialogflow/issues/1299)) ([#787](https://www.github.com/googleapis/java-dialogflow/issues/787)) ([83a2a1a](https://www.github.com/googleapis/java-dialogflow/commit/83a2a1aa017c35001653881774af1f624d2a7db4))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-core to v2.3.4 ([#809](https://www.github.com/googleapis/java-dialogflow/issues/809)) ([b74bcdc](https://www.github.com/googleapis/java-dialogflow/commit/b74bcdc7eff6f0fa5ecfb466069de72d1e9cefda))
+* update dependency com.google.cloud:google-cloud-core to v2.3.5 ([#811](https://www.github.com/googleapis/java-dialogflow/issues/811)) ([27a10ee](https://www.github.com/googleapis/java-dialogflow/commit/27a10eeb66c3064149d6b569f49df34280569fd7))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.6.0 ([#810](https://www.github.com/googleapis/java-dialogflow/issues/810)) ([a8d117e](https://www.github.com/googleapis/java-dialogflow/commit/a8d117efd78c2c7f022fddb13459630e53715b37))
+
 ### [4.3.1](https://www.github.com/googleapis/java-dialogflow/compare/v4.3.0...v4.3.1) (2021-12-05)
 
 
diff --git a/google-cloud-dialogflow-bom/pom.xml b/google-cloud-dialogflow-bom/pom.xml
index 6afcecbed..d2bc6e1f2 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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>4.4.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -52,27 +52,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow</artifactId>
-        <version>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+        <version>4.4.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-v2beta1</artifactId>
-        <version>0.101.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.102.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+        <version>4.4.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2</artifactId>
-        <version>4.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+        <version>4.4.0</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>0.101.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.102.0</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 2140a70da..f2e032ce4 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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>4.4.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>4.4.0</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 2314c1789..7513a02b7 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>4.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+  <version>4.4.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>4.4.0</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 9b45acb7d..92b594888 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>0.101.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+  <version>0.102.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>4.4.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 550d077b3..2c34711ff 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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+  <version>4.4.0</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>
@@ -61,27 +61,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-v2</artifactId>
-        <version>4.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+        <version>4.4.0</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>0.101.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.102.0</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>0.101.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2beta1:current} -->
+        <version>0.102.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
+        <version>4.4.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-v2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow</artifactId>
-        <version>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+        <version>4.4.0</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 1f6a17207..1d7e5292d 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>4.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2:current} -->
+  <version>4.4.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>4.4.0</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 ec90b0ac4..42c81ba59 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>0.101.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-v2beta1:current} -->
+  <version>0.102.0</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>4.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
+    <version>4.4.0</version><!-- {x-version-update:google-cloud-dialogflow:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 51d49e6ea..0bf191027 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dialogflow:4.3.1:4.3.2-SNAPSHOT
-grpc-google-cloud-dialogflow-v2beta1:0.101.1:0.101.2-SNAPSHOT
-grpc-google-cloud-dialogflow-v2:4.3.1:4.3.2-SNAPSHOT
-proto-google-cloud-dialogflow-v2:4.3.1:4.3.2-SNAPSHOT
-proto-google-cloud-dialogflow-v2beta1:0.101.1:0.101.2-SNAPSHOT
+google-cloud-dialogflow:4.4.0:4.4.0
+grpc-google-cloud-dialogflow-v2beta1:0.102.0:0.102.0
+grpc-google-cloud-dialogflow-v2:4.4.0:4.4.0
+proto-google-cloud-dialogflow-v2:4.4.0:4.4.0
+proto-google-cloud-dialogflow-v2beta1:0.102.0:0.102.0