diff --git a/google/cloud/dataflow_v1beta3/services/flex_templates_service/async_client.py b/google/cloud/dataflow_v1beta3/services/flex_templates_service/async_client.py
index 9e9ae8a..74224fa 100644
--- a/google/cloud/dataflow_v1beta3/services/flex_templates_service/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/flex_templates_service/async_client.py
@@ -133,7 +133,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/flex_templates_service/client.py b/google/cloud/dataflow_v1beta3/services/flex_templates_service/client.py
index c816ef2..98ff5a4 100644
--- a/google/cloud/dataflow_v1beta3/services/flex_templates_service/client.py
+++ b/google/cloud/dataflow_v1beta3/services/flex_templates_service/client.py
@@ -271,7 +271,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/async_client.py b/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/async_client.py
index abf20fb..fb34239 100644
--- a/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/async_client.py
@@ -134,7 +134,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/client.py b/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/client.py
index b278651..d756776 100644
--- a/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/client.py
+++ b/google/cloud/dataflow_v1beta3/services/jobs_v1_beta3/client.py
@@ -274,7 +274,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/async_client.py b/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/async_client.py
index 0157a0f..41fe986 100644
--- a/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/async_client.py
@@ -134,7 +134,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/client.py b/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/client.py
index 2bbd3f8..8934744 100644
--- a/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/client.py
+++ b/google/cloud/dataflow_v1beta3/services/messages_v1_beta3/client.py
@@ -272,7 +272,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/async_client.py b/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/async_client.py
index 9af50ee..ffddb80 100644
--- a/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/async_client.py
@@ -136,7 +136,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/client.py b/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/client.py
index faa6270..94b0450 100644
--- a/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/client.py
+++ b/google/cloud/dataflow_v1beta3/services/metrics_v1_beta3/client.py
@@ -274,7 +274,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/async_client.py b/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/async_client.py
index b0593b5..498eabc 100644
--- a/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/async_client.py
@@ -136,7 +136,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/client.py b/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/client.py
index b3fc2cc..3aa0946 100644
--- a/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/client.py
+++ b/google/cloud/dataflow_v1beta3/services/snapshots_v1_beta3/client.py
@@ -274,7 +274,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/templates_service/async_client.py b/google/cloud/dataflow_v1beta3/services/templates_service/async_client.py
index 8766d74..6cd655a 100644
--- a/google/cloud/dataflow_v1beta3/services/templates_service/async_client.py
+++ b/google/cloud/dataflow_v1beta3/services/templates_service/async_client.py
@@ -136,7 +136,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/google/cloud/dataflow_v1beta3/services/templates_service/client.py b/google/cloud/dataflow_v1beta3/services/templates_service/client.py
index f6e1099..ec8be74 100644
--- a/google/cloud/dataflow_v1beta3/services/templates_service/client.py
+++ b/google/cloud/dataflow_v1beta3/services/templates_service/client.py
@@ -274,7 +274,7 @@ def get_mtls_endpoint_and_cert_source(
         The API endpoint is determined in the following order:
         (1) if `client_options.api_endpoint` if provided, use the provided one.
         (2) if `GOOGLE_API_USE_CLIENT_CERTIFICATE` environment variable is "always", use the
-        default mTLS endpoint; if the environment variabel is "never", use the default API
+        default mTLS endpoint; if the environment variable is "never", use the default API
         endpoint; otherwise if client cert source exists, use the default mTLS endpoint, otherwise
         use the default API endpoint.
 
diff --git a/samples/generated_samples/snippet_metadata_google.dataflow.v1beta3.json b/samples/generated_samples/snippet_metadata_google.dataflow.v1beta3.json
index 5f2c89a..07ae5fa 100644
--- a/samples/generated_samples/snippet_metadata_google.dataflow.v1beta3.json
+++ b/samples/generated_samples/snippet_metadata_google.dataflow.v1beta3.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-dataflow-client",
-    "version": "0.7.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/setup.py b/setup.py
index b1fc892..e0ec28e 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,7 @@
 dependencies = [
     "google-api-core[grpc] >= 1.34.0, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*,!=2.8.*,!=2.9.*,!=2.10.*",
     "proto-plus >= 1.22.0, <2.0.0dev",
+    "proto-plus >= 1.22.2, <2.0.0dev; python_version>='3.11'",
     "protobuf>=3.19.5,<5.0.0dev,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
 ]
 url = "https://github.com/googleapis/python-dataflow-client"
@@ -77,6 +78,7 @@
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],
diff --git a/testing/constraints-3.12.txt b/testing/constraints-3.12.txt
new file mode 100644
index 0000000..ed7f9ae
--- /dev/null
+++ b/testing/constraints-3.12.txt
@@ -0,0 +1,6 @@
+# -*- coding: utf-8 -*-
+# This constraints file is required for unit tests.
+# List all library dependencies and extras in this file.
+google-api-core
+proto-plus
+protobuf
