diff --git a/CHANGELOG.md b/CHANGELOG.md
index d4092eeb..a750c402 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [1.5.0](https://www.github.com/googleapis/java-texttospeech/compare/v1.4.2...v1.5.0) (2021-05-31)
+
+
+### Features
+
+* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#462](https://www.github.com/googleapis/java-texttospeech/issues/462)) ([311b4a4](https://www.github.com/googleapis/java-texttospeech/commit/311b4a4098c833d72855aeb33fbae84231ef6b96))
+
+
+### Bug Fixes
+
+* Fix the last element of the C# namespace to V1Beta1 instead of V1beta1 ([#468](https://www.github.com/googleapis/java-texttospeech/issues/468)) ([90a9d8c](https://www.github.com/googleapis/java-texttospeech/commit/90a9d8c891166a617c9c7f60744d6d386bed19eb))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#461](https://www.github.com/googleapis/java-texttospeech/issues/461)) ([999f9f5](https://www.github.com/googleapis/java-texttospeech/commit/999f9f573ee2c2aa3a17136003e483384e7e05ef))
+
 ### [1.4.2](https://www.github.com/googleapis/java-texttospeech/compare/v1.4.1...v1.4.2) (2021-05-11)
 
 
diff --git a/google-cloud-texttospeech-bom/pom.xml b/google-cloud-texttospeech-bom/pom.xml
index cb21cb8e..5005dedb 100644
--- a/google-cloud-texttospeech-bom/pom.xml
+++ b/google-cloud-texttospeech-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech-bom</artifactId>
-  <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -64,27 +64,27 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-texttospeech</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+        <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.88.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+        <version>1.5.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+        <version>1.5.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.88.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-texttospeech/pom.xml b/google-cloud-texttospeech/pom.xml
index fecfdf42..fd39ade6 100644
--- a/google-cloud-texttospeech/pom.xml
+++ b/google-cloud-texttospeech/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech</artifactId>
-  <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Text-to-Speech</name>
   <url>https://github.com/googleapis/java-texttospeech</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-texttospeech</site.installationModule>
diff --git a/grpc-google-cloud-texttospeech-v1/pom.xml b/grpc-google-cloud-texttospeech-v1/pom.xml
index 331e9e26..c69adcde 100644
--- a/grpc-google-cloud-texttospeech-v1/pom.xml
+++ b/grpc-google-cloud-texttospeech-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-  <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+  <version>1.5.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
   <name>grpc-google-cloud-texttospeech-v1</name>
   <description>GRPC library for grpc-google-cloud-texttospeech-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-texttospeech-v1beta1/pom.xml b/grpc-google-cloud-texttospeech-v1beta1/pom.xml
index c1350c72..997e4053 100644
--- a/grpc-google-cloud-texttospeech-v1beta1/pom.xml
+++ b/grpc-google-cloud-texttospeech-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-  <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+  <version>0.88.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
   <name>grpc-google-cloud-texttospeech-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-texttospeech-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 8352b83e..b53399eb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-texttospeech-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+  <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   <name>Google Cloud Text-to-Speech Parent</name>
   <url>https://github.com/googleapis/java-texttospeech</url>
   <description>
@@ -70,27 +70,27 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+        <version>1.5.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.88.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1beta1</artifactId>
-        <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
+        <version>0.88.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-texttospeech-v1</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
+        <version>1.5.0</version><!-- {x-version-update:grpc-google-cloud-texttospeech-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-texttospeech</artifactId>
-        <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+        <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-cloud-texttospeech-v1/pom.xml b/proto-google-cloud-texttospeech-v1/pom.xml
index 06006479..b01e89c4 100644
--- a/proto-google-cloud-texttospeech-v1/pom.xml
+++ b/proto-google-cloud-texttospeech-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-texttospeech-v1</artifactId>
-  <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
+  <version>1.5.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1:current} -->
   <name>proto-google-cloud-texttospeech-v1</name>
   <description>PROTO library for proto-google-cloud-texttospeech-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-texttospeech-v1beta1/pom.xml b/proto-google-cloud-texttospeech-v1beta1/pom.xml
index 3d1dff19..d8e4b299 100644
--- a/proto-google-cloud-texttospeech-v1beta1/pom.xml
+++ b/proto-google-cloud-texttospeech-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-texttospeech-v1beta1</artifactId>
-  <version>0.87.3-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
+  <version>0.88.0</version><!-- {x-version-update:proto-google-cloud-texttospeech-v1beta1:current} -->
   <name>proto-google-cloud-texttospeech-v1beta1</name>
   <description>PROTO library for proto-google-cloud-texttospeech-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-texttospeech-parent</artifactId>
-    <version>1.4.3-SNAPSHOT</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
+    <version>1.5.0</version><!-- {x-version-update:google-cloud-texttospeech:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index d92014f8..c2bb3f43 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-texttospeech</artifactId>
-      <version>1.4.3-SNAPSHOT</version>
+      <version>1.5.0</version>
     </dependency>
     <!-- {x-version-update-end} -->
     <dependency>
diff --git a/versions.txt b/versions.txt
index 724020ff..fa581b03 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,8 +1,8 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-texttospeech-v1:1.4.2:1.4.3-SNAPSHOT
-proto-google-cloud-texttospeech-v1beta1:0.87.2:0.87.3-SNAPSHOT
-grpc-google-cloud-texttospeech-v1beta1:0.87.2:0.87.3-SNAPSHOT
-grpc-google-cloud-texttospeech-v1:1.4.2:1.4.3-SNAPSHOT
-google-cloud-texttospeech:1.4.2:1.4.3-SNAPSHOT
+proto-google-cloud-texttospeech-v1:1.5.0:1.5.0
+proto-google-cloud-texttospeech-v1beta1:0.88.0:0.88.0
+grpc-google-cloud-texttospeech-v1beta1:0.88.0:0.88.0
+grpc-google-cloud-texttospeech-v1:1.5.0:1.5.0
+google-cloud-texttospeech:1.5.0:1.5.0