diff --git a/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/async_client.py b/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/async_client.py
index 404d391c0095..74bebf4f4c58 100644
--- a/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/async_client.py
+++ b/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/async_client.py
@@ -152,7 +152,7 @@ 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/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/client.py b/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/client.py
index ca1e6d7d2dd7..87ec4a0400ee 100644
--- a/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/client.py
+++ b/packages/google-cloud-datastream/google/cloud/datastream_v1/services/datastream/client.py
@@ -409,7 +409,7 @@ 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/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/async_client.py b/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/async_client.py
index edce4fb28ed7..6a3f07bb8a95 100644
--- a/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/async_client.py
+++ b/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/async_client.py
@@ -144,7 +144,7 @@ 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/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/client.py b/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/client.py
index 520e2de6000e..31610d6ccf9c 100644
--- a/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/client.py
+++ b/packages/google-cloud-datastream/google/cloud/datastream_v1alpha1/services/datastream/client.py
@@ -362,7 +362,7 @@ 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/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1.json b/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1.json
index fac94ec67ef4..8a69b9040e43 100644
--- a/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1.json
+++ b/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-datastream",
-    "version": "1.3.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1alpha1.json b/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1alpha1.json
index dd37ca18a63d..09dea00ec932 100644
--- a/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1alpha1.json
+++ b/packages/google-cloud-datastream/samples/generated_samples/snippet_metadata_google.cloud.datastream.v1alpha1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-datastream",
-    "version": "1.3.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/packages/google-cloud-datastream/setup.py b/packages/google-cloud-datastream/setup.py
index a1a4664bd1d5..7a68c0783fef 100644
--- a/packages/google-cloud-datastream/setup.py
+++ b/packages/google-cloud-datastream/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",
     "grpc-google-iam-v1 >= 0.12.4, < 1.0.0dev",
 ]
@@ -78,6 +79,7 @@
         "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/packages/google-cloud-datastream/testing/constraints-3.12.txt b/packages/google-cloud-datastream/testing/constraints-3.12.txt
new file mode 100644
index 000000000000..ad3f0fa58e2d
--- /dev/null
+++ b/packages/google-cloud-datastream/testing/constraints-3.12.txt
@@ -0,0 +1,7 @@
+# -*- 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
+grpc-google-iam-v1