diff --git a/CHANGELOG.md b/CHANGELOG.md
index d097be0c0..7bdfe48dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [0.5.0](https://www.github.com/googleapis/java-dialogflow-cx/compare/v0.4.1...v0.5.0) (2020-12-15)
+
+
+### Features
+
+* allowed custom to specify webhook headers through query parameters ([#109](https://www.github.com/googleapis/java-dialogflow-cx/issues/109)) ([329b306](https://www.github.com/googleapis/java-dialogflow-cx/commit/329b306505d291dc9f7b3e9832adf20d0abc30a8))
+
+
+### Bug Fixes
+
+* change location in IT to be 'global' ([#103](https://www.github.com/googleapis/java-dialogflow-cx/issues/103)) ([4053872](https://www.github.com/googleapis/java-dialogflow-cx/commit/405387236262b9d04b074304f78f1cc1da4b662b))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.16.1 ([e0830ab](https://www.github.com/googleapis/java-dialogflow-cx/commit/e0830ab54843fce058aa9bdcf0e228e7c5b827fb))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.17.0 ([#114](https://www.github.com/googleapis/java-dialogflow-cx/issues/114)) ([772e3e6](https://www.github.com/googleapis/java-dialogflow-cx/commit/772e3e616d169e7ca496d80a49b46d272169ada8))
+
 ### [0.4.1](https://www.github.com/googleapis/java-dialogflow-cx/compare/v0.4.0...v0.4.1) (2020-12-02)
 
 
diff --git a/google-cloud-dialogflow-cx-bom/pom.xml b/google-cloud-dialogflow-cx-bom/pom.xml
index 5ba41eda7..7c5dbc3bc 100644
--- a/google-cloud-dialogflow-cx-bom/pom.xml
+++ b/google-cloud-dialogflow-cx-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-bom</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -68,27 +68,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-dialogflow-cx/pom.xml b/google-cloud-dialogflow-cx/pom.xml
index 4e643ea93..02f7e1bb4 100644
--- a/google-cloud-dialogflow-cx/pom.xml
+++ b/google-cloud-dialogflow-cx/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>jar</packaging>
   <name>Google Dialogflow CX</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-dialogflow-cx</site.installationModule>
diff --git a/grpc-google-cloud-dialogflow-cx-v3/pom.xml b/grpc-google-cloud-dialogflow-cx-v3/pom.xml
index 10bd3bce0..75157699c 100644
--- a/grpc-google-cloud-dialogflow-cx-v3/pom.xml
+++ b/grpc-google-cloud-dialogflow-cx-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
   <name>grpc-google-cloud-dialogflow-cx-v3</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-cx-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
index e35e35df2..4da01c286 100644
--- a/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/grpc-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>grpc-google-cloud-dialogflow-cx-v3beta1</name>
   <description>GRPC library for grpc-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index c7715aa35..59fccf5f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
   <packaging>pom</packaging>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <name>Google Dialogflow CX Parent</name>
   <url>https://github.com/googleapis/java-dialogflow-cx</url>
   <description>
@@ -70,27 +70,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3</artifactId>
-        <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.5.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-dialogflow-cx-v3/pom.xml b/proto-google-cloud-dialogflow-cx-v3/pom.xml
index 7ca897bd0..14d6fa1bb 100644
--- a/proto-google-cloud-dialogflow-cx-v3/pom.xml
+++ b/proto-google-cloud-dialogflow-cx-v3/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-cx-v3</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
   <name>proto-google-cloud-dialogflow-cx-v3</name>
   <description>PROTO library for proto-google-cloud-dialogflow-cx-v3</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
index 8209f83f0..0146daa8c 100644
--- a/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
+++ b/proto-google-cloud-dialogflow-cx-v3beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-  <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.5.0</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
   <name>proto-google-cloud-dialogflow-cx-v3beta1</name>
   <description>PROTO library for proto-google-cloud-dialogflow-cx-v3beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-dialogflow-cx-parent</artifactId>
-    <version>0.4.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.5.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index de1f3c38e..bacc812d3 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-dialogflow-cx</artifactId>
-      <version>0.4.2-SNAPSHOT</version>
+      <version>0.5.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index f08515fc7..39b556434 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dialogflow-cx:0.4.1:0.4.2-SNAPSHOT
-proto-google-cloud-dialogflow-cx-v3beta1:0.4.1:0.4.2-SNAPSHOT
-proto-google-cloud-dialogflow-cx-v3:0.4.1:0.4.2-SNAPSHOT
-grpc-google-cloud-dialogflow-cx-v3beta1:0.4.1:0.4.2-SNAPSHOT
-grpc-google-cloud-dialogflow-cx-v3:0.4.1:0.4.2-SNAPSHOT
+google-cloud-dialogflow-cx:0.5.0:0.5.0
+proto-google-cloud-dialogflow-cx-v3beta1:0.5.0:0.5.0
+proto-google-cloud-dialogflow-cx-v3:0.5.0:0.5.0
+grpc-google-cloud-dialogflow-cx-v3beta1:0.5.0:0.5.0
+grpc-google-cloud-dialogflow-cx-v3:0.5.0:0.5.0