diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5ae79a8d..649474420 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,27 @@
 # Changelog
 
+## [0.12.0](https://github.com/googleapis/java-dialogflow-cx/compare/v0.11.5...v0.12.0) (2022-03-29)
+
+
+### Features
+
+* added page in TestConfig ([d19cb06](https://github.com/googleapis/java-dialogflow-cx/commit/d19cb06a4d2d7665e766d0c1d37b481802ed5f0d))
+* added page in TestConfig ([#447](https://github.com/googleapis/java-dialogflow-cx/issues/447)) ([d19cb06](https://github.com/googleapis/java-dialogflow-cx/commit/d19cb06a4d2d7665e766d0c1d37b481802ed5f0d))
+* added support for locking an agent for changes ([#453](https://github.com/googleapis/java-dialogflow-cx/issues/453)) ([8a903ff](https://github.com/googleapis/java-dialogflow-cx/commit/8a903ff6a6126f05c5401306674f4215bd84c464))
+
+
+### Documentation
+
+* added explanation for uri fields in resources ([#451](https://github.com/googleapis/java-dialogflow-cx/issues/451)) ([0c506ce](https://github.com/googleapis/java-dialogflow-cx/commit/0c506ceef415d32a418427c0b24c2e7c3332a325))
+* clarified wording around Cloud Storage usage ([d19cb06](https://github.com/googleapis/java-dialogflow-cx/commit/d19cb06a4d2d7665e766d0c1d37b481802ed5f0d))
+* improved docs format ([0c506ce](https://github.com/googleapis/java-dialogflow-cx/commit/0c506ceef415d32a418427c0b24c2e7c3332a325))
+* improved docs format ([#452](https://github.com/googleapis/java-dialogflow-cx/issues/452)) ([6edb0d6](https://github.com/googleapis/java-dialogflow-cx/commit/6edb0d6056e9652e3a47ce0a3bf34976eaece81b))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.9.0 ([#455](https://github.com/googleapis/java-dialogflow-cx/issues/455)) ([2ce68e2](https://github.com/googleapis/java-dialogflow-cx/commit/2ce68e237d9afcfb721a1271b59531bb2d333539))
+
 ### [0.11.5](https://github.com/googleapis/java-dialogflow-cx/compare/v0.11.4...v0.11.5) (2022-03-02)
 
 
diff --git a/google-cloud-dialogflow-cx-bom/pom.xml b/google-cloud-dialogflow-cx-bom/pom.xml
index 31e748537..75b35c2f6 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -56,27 +56,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.0</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-dialogflow-cx-v3beta1</artifactId>
-        <version>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.0</version><!-- {x-version-update:proto-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 7db2183ee..3b8d09750 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.0</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 266cad454..adf72363c 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.0</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 616e2dc65..87f9779e4 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.0</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index ac9c0c87b..481780086 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+  <version>0.12.0</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>
@@ -61,27 +61,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-dialogflow-cx</artifactId>
-        <version>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3beta1:current} -->
+        <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-dialogflow-cx-v3:current} -->
+        <version>0.12.0</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 71777281c..35a940ad9 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3:current} -->
+  <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.0</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 036c99f5c..cbaf7fc13 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>0.11.6-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-dialogflow-cx-v3beta1:current} -->
+  <version>0.12.0</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>0.11.6-SNAPSHOT</version><!-- {x-version-update:google-cloud-dialogflow-cx:current} -->
+    <version>0.12.0</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 e1ceb9ae8..1aabdcaa0 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>0.11.6-SNAPSHOT</version>
+      <version>0.12.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index c3c918c8a..7d3c51460 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-dialogflow-cx:0.11.5:0.11.6-SNAPSHOT
-grpc-google-cloud-dialogflow-cx-v3beta1:0.11.5:0.11.6-SNAPSHOT
-grpc-google-cloud-dialogflow-cx-v3:0.11.5:0.11.6-SNAPSHOT
-proto-google-cloud-dialogflow-cx-v3beta1:0.11.5:0.11.6-SNAPSHOT
-proto-google-cloud-dialogflow-cx-v3:0.11.5:0.11.6-SNAPSHOT
+google-cloud-dialogflow-cx:0.12.0:0.12.0
+grpc-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.0
+grpc-google-cloud-dialogflow-cx-v3:0.12.0:0.12.0
+proto-google-cloud-dialogflow-cx-v3beta1:0.12.0:0.12.0
+proto-google-cloud-dialogflow-cx-v3:0.12.0:0.12.0