diff --git a/google-cloud-bigquerystorage/pom.xml b/google-cloud-bigquerystorage/pom.xml
index 089b48d3e..b234e68ab 100644
--- a/google-cloud-bigquerystorage/pom.xml
+++ b/google-cloud-bigquerystorage/pom.xml
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigquerystorage</site.installationModule>
diff --git a/grpc-google-cloud-bigquerystorage-v1/pom.xml b/grpc-google-cloud-bigquerystorage-v1/pom.xml
index 80fbbd97f..129521127 100644
--- a/grpc-google-cloud-bigquerystorage-v1/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1alpha/pom.xml b/grpc-google-cloud-bigquerystorage-v1alpha/pom.xml
index 7a6980e6a..169123408 100644
--- a/grpc-google-cloud-bigquerystorage-v1alpha/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1alpha/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1beta/pom.xml b/grpc-google-cloud-bigquerystorage-v1beta/pom.xml
index 4af3d9c92..686ca8023 100644
--- a/grpc-google-cloud-bigquerystorage-v1beta/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1beta/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml b/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
index 6810f8588..77189a082 100644
--- a/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml b/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
index 0e9d69848..1201ae28f 100644
--- a/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1/pom.xml b/proto-google-cloud-bigquerystorage-v1/pom.xml
index 3638851b4..c8a82e1e2 100644
--- a/proto-google-cloud-bigquerystorage-v1/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1alpha/pom.xml b/proto-google-cloud-bigquerystorage-v1alpha/pom.xml
index 057a6ff63..f35a5c6de 100644
--- a/proto-google-cloud-bigquerystorage-v1alpha/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1alpha/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1beta/pom.xml b/proto-google-cloud-bigquerystorage-v1beta/pom.xml
index 4df46f4cb..ba4c28b88 100644
--- a/proto-google-cloud-bigquerystorage-v1beta/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1beta/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1beta1/pom.xml b/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
index 962b23b14..4aa99bc6c 100644
--- a/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1beta2/pom.xml b/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
index 12b8092dc..b4d9d6c0a 100644
--- a/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>3.19.1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>3.20.0-rc1</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>