diff --git a/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer/gapic_version.py b/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer/gapic_version.py
index d1f319282ec2..20a9cd975b02 100644
--- a/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer/gapic_version.py
+++ b/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.19.2"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer_v1/gapic_version.py b/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer_v1/gapic_version.py
index d1f319282ec2..20a9cd975b02 100644
--- a/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer_v1/gapic_version.py
+++ b/packages/google-cloud-bigquery-datatransfer/google/cloud/bigquery_datatransfer_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "3.19.2"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-bigquery-datatransfer/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datatransfer.v1.json b/packages/google-cloud-bigquery-datatransfer/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datatransfer.v1.json
index 0df068f37db4..b0668de9f1d8 100644
--- a/packages/google-cloud-bigquery-datatransfer/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datatransfer.v1.json
+++ b/packages/google-cloud-bigquery-datatransfer/samples/generated_samples/snippet_metadata_google.cloud.bigquery.datatransfer.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-bigquery-datatransfer",
-    "version": "3.19.2"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-quotas/google/cloud/cloudquotas/gapic_version.py b/packages/google-cloud-quotas/google/cloud/cloudquotas/gapic_version.py
index a22158c8aa20..20a9cd975b02 100644
--- a/packages/google-cloud-quotas/google/cloud/cloudquotas/gapic_version.py
+++ b/packages/google-cloud-quotas/google/cloud/cloudquotas/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.1.18"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-quotas/google/cloud/cloudquotas_v1/gapic_version.py b/packages/google-cloud-quotas/google/cloud/cloudquotas_v1/gapic_version.py
index a22158c8aa20..20a9cd975b02 100644
--- a/packages/google-cloud-quotas/google/cloud/cloudquotas_v1/gapic_version.py
+++ b/packages/google-cloud-quotas/google/cloud/cloudquotas_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.1.18"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-quotas/google/cloud/cloudquotas_v1beta/gapic_version.py b/packages/google-cloud-quotas/google/cloud/cloudquotas_v1beta/gapic_version.py
index a22158c8aa20..20a9cd975b02 100644
--- a/packages/google-cloud-quotas/google/cloud/cloudquotas_v1beta/gapic_version.py
+++ b/packages/google-cloud-quotas/google/cloud/cloudquotas_v1beta/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.1.18"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1.json b/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1.json
index 5a0379fd0563..5c9d0867f7f3 100644
--- a/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1.json
+++ b/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-quotas",
-    "version": "0.1.18"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1beta.json b/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1beta.json
index 9c0f9356d855..a3be51a8eeda 100644
--- a/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1beta.json
+++ b/packages/google-cloud-quotas/samples/generated_samples/snippet_metadata_google.api.cloudquotas.v1beta.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-quotas",
-    "version": "0.1.18"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-retail/google/cloud/retail/gapic_version.py b/packages/google-cloud-retail/google/cloud/retail/gapic_version.py
index 669503b2c5b0..20a9cd975b02 100644
--- a/packages/google-cloud-retail/google/cloud/retail/gapic_version.py
+++ b/packages/google-cloud-retail/google/cloud/retail/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.3.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-retail/google/cloud/retail_v2/gapic_version.py b/packages/google-cloud-retail/google/cloud/retail_v2/gapic_version.py
index 669503b2c5b0..20a9cd975b02 100644
--- a/packages/google-cloud-retail/google/cloud/retail_v2/gapic_version.py
+++ b/packages/google-cloud-retail/google/cloud/retail_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.3.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-retail/google/cloud/retail_v2alpha/gapic_version.py b/packages/google-cloud-retail/google/cloud/retail_v2alpha/gapic_version.py
index 669503b2c5b0..20a9cd975b02 100644
--- a/packages/google-cloud-retail/google/cloud/retail_v2alpha/gapic_version.py
+++ b/packages/google-cloud-retail/google/cloud/retail_v2alpha/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.3.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-retail/google/cloud/retail_v2beta/gapic_version.py b/packages/google-cloud-retail/google/cloud/retail_v2beta/gapic_version.py
index 669503b2c5b0..20a9cd975b02 100644
--- a/packages/google-cloud-retail/google/cloud/retail_v2beta/gapic_version.py
+++ b/packages/google-cloud-retail/google/cloud/retail_v2beta/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "2.3.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
index afe406c227d9..2551a0da71ff 100644
--- a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
+++ b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "2.3.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
index 60d1a7916f65..72ad4687f06d 100644
--- a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
+++ b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2alpha.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "2.3.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
index 40188366c83a..5b91d0f376d7 100644
--- a/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
+++ b/packages/google-cloud-retail/samples/generated_samples/snippet_metadata_google.cloud.retail.v2beta.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-retail",
-    "version": "2.3.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-securitycenter/google/cloud/securitycenter/gapic_version.py b/packages/google-cloud-securitycenter/google/cloud/securitycenter/gapic_version.py
index ec99f849f20c..20a9cd975b02 100644
--- a/packages/google-cloud-securitycenter/google/cloud/securitycenter/gapic_version.py
+++ b/packages/google-cloud-securitycenter/google/cloud/securitycenter/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.39.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1/gapic_version.py b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1/gapic_version.py
index ec99f849f20c..20a9cd975b02 100644
--- a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1/gapic_version.py
+++ b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.39.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1beta1/gapic_version.py b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1beta1/gapic_version.py
index ec99f849f20c..20a9cd975b02 100644
--- a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1beta1/gapic_version.py
+++ b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1beta1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.39.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1p1beta1/gapic_version.py b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1p1beta1/gapic_version.py
index ec99f849f20c..20a9cd975b02 100644
--- a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1p1beta1/gapic_version.py
+++ b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v1p1beta1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.39.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v2/gapic_version.py b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v2/gapic_version.py
index ec99f849f20c..20a9cd975b02 100644
--- a/packages/google-cloud-securitycenter/google/cloud/securitycenter_v2/gapic_version.py
+++ b/packages/google-cloud-securitycenter/google/cloud/securitycenter_v2/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "1.39.0"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1.json b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1.json
index 638d24edbb2e..efb11fe5de6c 100644
--- a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1.json
+++ b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-securitycenter",
-    "version": "1.39.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1beta1.json b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1beta1.json
index 3b2098504509..dc6a6d6dd78d 100644
--- a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1beta1.json
+++ b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1beta1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-securitycenter",
-    "version": "1.39.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1p1beta1.json b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1p1beta1.json
index d41397c1335c..7eed8e8dc8ab 100644
--- a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1p1beta1.json
+++ b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v1p1beta1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-securitycenter",
-    "version": "1.39.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v2.json b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v2.json
index cfa325fa04e3..e176e0b8c043 100644
--- a/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v2.json
+++ b/packages/google-cloud-securitycenter/samples/generated_samples/snippet_metadata_google.cloud.securitycenter.v2.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-securitycenter",
-    "version": "1.39.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-maps-fleetengine/google/maps/fleetengine/gapic_version.py b/packages/google-maps-fleetengine/google/maps/fleetengine/gapic_version.py
index b01a2a2ca9b4..20a9cd975b02 100644
--- a/packages/google-maps-fleetengine/google/maps/fleetengine/gapic_version.py
+++ b/packages/google-maps-fleetengine/google/maps/fleetengine/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.2.10"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-maps-fleetengine/google/maps/fleetengine_v1/gapic_version.py b/packages/google-maps-fleetengine/google/maps/fleetengine_v1/gapic_version.py
index b01a2a2ca9b4..20a9cd975b02 100644
--- a/packages/google-maps-fleetengine/google/maps/fleetengine_v1/gapic_version.py
+++ b/packages/google-maps-fleetengine/google/maps/fleetengine_v1/gapic_version.py
@@ -13,4 +13,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-__version__ = "0.2.10"  # {x-release-please-version}
+__version__ = "0.0.0"  # {x-release-please-version}
diff --git a/packages/google-maps-fleetengine/samples/generated_samples/snippet_metadata_maps.fleetengine.v1.json b/packages/google-maps-fleetengine/samples/generated_samples/snippet_metadata_maps.fleetengine.v1.json
index e39d6161c3c9..8bc1917b91de 100644
--- a/packages/google-maps-fleetengine/samples/generated_samples/snippet_metadata_maps.fleetengine.v1.json
+++ b/packages/google-maps-fleetengine/samples/generated_samples/snippet_metadata_maps.fleetengine.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-maps-fleetengine",
-    "version": "0.2.10"
+    "version": "0.1.0"
   },
   "snippets": [
     {