diff --git a/java-bigqueryreservation/CHANGELOG.md b/java-bigqueryreservation/CHANGELOG.md
index c81447d4e817..8ba35a3e238e 100644
--- a/java-bigqueryreservation/CHANGELOG.md
+++ b/java-bigqueryreservation/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [2.4.0](https://github.com/googleapis/java-bigqueryreservation/compare/v2.3.1...v2.4.0) (2022-07-01)
+
+
+### Features
+
+* Enable REST transport for most of Java and Go clients ([#676](https://github.com/googleapis/java-bigqueryreservation/issues/676)) ([62c542a](https://github.com/googleapis/java-bigqueryreservation/commit/62c542acc94aebc89c706a873760e5ca70c56e19))
+
 ## [2.3.1](https://github.com/googleapis/java-bigqueryreservation/compare/v2.3.0...v2.3.1) (2022-06-23)
 
 
diff --git a/java-bigqueryreservation/google-cloud-bigqueryreservation-bom/pom.xml b/java-bigqueryreservation/google-cloud-bigqueryreservation-bom/pom.xml
index a5419efd34d3..f0b6e799fe35 100644
--- a/java-bigqueryreservation/google-cloud-bigqueryreservation-bom/pom.xml
+++ b/java-bigqueryreservation/google-cloud-bigqueryreservation-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigqueryreservation-bom</artifactId>
-  <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -53,17 +53,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigqueryreservation</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+        <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigqueryreservation-v1</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
+        <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigqueryreservation-v1</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
+        <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/java-bigqueryreservation/google-cloud-bigqueryreservation/pom.xml b/java-bigqueryreservation/google-cloud-bigqueryreservation/pom.xml
index 725f27c4491e..a20d9c9caaab 100644
--- a/java-bigqueryreservation/google-cloud-bigqueryreservation/pom.xml
+++ b/java-bigqueryreservation/google-cloud-bigqueryreservation/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigqueryreservation</artifactId>
-  <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud BigQuery Reservations</name>
   <url>https://github.com/googleapis/java-bigqueryreservation</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigqueryreservation-parent</artifactId>
-    <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigqueryreservation</site.installationModule>
diff --git a/java-bigqueryreservation/grpc-google-cloud-bigqueryreservation-v1/pom.xml b/java-bigqueryreservation/grpc-google-cloud-bigqueryreservation-v1/pom.xml
index a24e9b81d202..17d11af523d5 100644
--- a/java-bigqueryreservation/grpc-google-cloud-bigqueryreservation-v1/pom.xml
+++ b/java-bigqueryreservation/grpc-google-cloud-bigqueryreservation-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigqueryreservation-v1</artifactId>
-  <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
+  <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
   <name>grpc-google-cloud-bigqueryreservation-v1</name>
   <description>GRPC library for grpc-google-cloud-bigqueryreservation-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigqueryreservation-parent</artifactId>
-    <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigqueryreservation/pom.xml b/java-bigqueryreservation/pom.xml
index 9889e745d0f4..a8ee6b44ca3c 100644
--- a/java-bigqueryreservation/pom.xml
+++ b/java-bigqueryreservation/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigqueryreservation-parent</artifactId>
   <packaging>pom</packaging>
-  <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+  <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   <name>Google Cloud BigQuery Reservations Parent</name>
   <url>https://github.com/googleapis/java-bigqueryreservation</url>
   <description>
@@ -61,17 +61,17 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigqueryreservation</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+        <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigqueryreservation-v1</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
+        <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigqueryreservation-v1</artifactId>
-        <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
+        <version>2.4.0</version><!-- {x-version-update:grpc-google-cloud-bigqueryreservation-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/java-bigqueryreservation/proto-google-cloud-bigqueryreservation-v1/pom.xml b/java-bigqueryreservation/proto-google-cloud-bigqueryreservation-v1/pom.xml
index bf8574d7d2e5..7f9ad7eef25f 100644
--- a/java-bigqueryreservation/proto-google-cloud-bigqueryreservation-v1/pom.xml
+++ b/java-bigqueryreservation/proto-google-cloud-bigqueryreservation-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigqueryreservation-v1</artifactId>
-  <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
+  <version>2.4.0</version><!-- {x-version-update:proto-google-cloud-bigqueryreservation-v1:current} -->
   <name>proto-google-cloud-bigqueryreservation-v1</name>
   <description>PROTO library for proto-google-cloud-bigqueryreservation-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigqueryreservation-parent</artifactId>
-    <version>2.3.2-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
+    <version>2.4.0</version><!-- {x-version-update:google-cloud-bigqueryreservation:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/java-bigqueryreservation/versions.txt b/java-bigqueryreservation/versions.txt
index c1e19bf78ccf..d9ddede7c1fb 100644
--- a/java-bigqueryreservation/versions.txt
+++ b/java-bigqueryreservation/versions.txt
@@ -1,6 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-google-cloud-bigqueryreservation:2.3.1:2.3.2-SNAPSHOT
-grpc-google-cloud-bigqueryreservation-v1:2.3.1:2.3.2-SNAPSHOT
-proto-google-cloud-bigqueryreservation-v1:2.3.1:2.3.2-SNAPSHOT
+google-cloud-bigqueryreservation:2.4.0:2.4.0
+grpc-google-cloud-bigqueryreservation-v1:2.4.0:2.4.0
+proto-google-cloud-bigqueryreservation-v1:2.4.0:2.4.0