diff --git a/.coveragerc b/.coveragerc
index d63da53..0230b9e 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -10,8 +10,3 @@ exclude_lines =
     pragma: NO COVER
     # Ignore debug-only repr
     def __repr__
-    # Ignore pkg_resources exceptions.
-    # This is added at the module level as a safeguard for if someone
-    # generates the code and tries to run it without pip installing. This
-    # makes it virtually impossible to test properly.
-    except pkg_resources.DistributionNotFound
diff --git a/google/cloud/debugger_v2/gapic_version.py b/google/cloud/debugger_v2/gapic_version.py
new file mode 100644
index 0000000..178df4b
--- /dev/null
+++ b/google/cloud/debugger_v2/gapic_version.py
@@ -0,0 +1,16 @@
+# -*- coding: utf-8 -*-
+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+__version__ = "1.4.3"  # {x-release-please-version}
diff --git a/google/cloud/debugger_v2/services/controller2/async_client.py b/google/cloud/debugger_v2/services/controller2/async_client.py
index b9dcea1..2c0d0e9 100644
--- a/google/cloud/debugger_v2/services/controller2/async_client.py
+++ b/google/cloud/debugger_v2/services/controller2/async_client.py
@@ -34,7 +34,8 @@
 from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
-import pkg_resources
+
+from google.cloud.debugger_v2 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
@@ -234,7 +235,7 @@ async def register_debuggee(
         *,
         debuggee: Optional[data.Debuggee] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.RegisterDebuggeeResponse:
         r"""Registers the debuggee with the controller service.
@@ -338,7 +339,7 @@ async def list_active_breakpoints(
         *,
         debuggee_id: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.ListActiveBreakpointsResponse:
         r"""Returns the list of all active breakpoints for the debuggee.
@@ -463,7 +464,7 @@ async def update_active_breakpoint(
         debuggee_id: Optional[str] = None,
         breakpoint_: Optional[data.Breakpoint] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.UpdateActiveBreakpointResponse:
         r"""Updates the breakpoint state or mutable fields. The entire
@@ -600,14 +601,9 @@ async def __aexit__(self, exc_type, exc, tb):
         await self.transport.close()
 
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 __all__ = ("Controller2AsyncClient",)
diff --git a/google/cloud/debugger_v2/services/controller2/client.py b/google/cloud/debugger_v2/services/controller2/client.py
index c6ad89e..8bc794e 100644
--- a/google/cloud/debugger_v2/services/controller2/client.py
+++ b/google/cloud/debugger_v2/services/controller2/client.py
@@ -38,7 +38,8 @@
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
-import pkg_resources
+
+from google.cloud.debugger_v2 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
@@ -443,7 +444,7 @@ def register_debuggee(
         *,
         debuggee: Optional[data.Debuggee] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.RegisterDebuggeeResponse:
         r"""Registers the debuggee with the controller service.
@@ -547,7 +548,7 @@ def list_active_breakpoints(
         *,
         debuggee_id: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.ListActiveBreakpointsResponse:
         r"""Returns the list of all active breakpoints for the debuggee.
@@ -662,7 +663,7 @@ def update_active_breakpoint(
         debuggee_id: Optional[str] = None,
         breakpoint_: Optional[data.Breakpoint] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> controller.UpdateActiveBreakpointResponse:
         r"""Updates the breakpoint state or mutable fields. The entire
@@ -796,14 +797,9 @@ def __exit__(self, type, value, traceback):
         self.transport.close()
 
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 __all__ = ("Controller2Client",)
diff --git a/google/cloud/debugger_v2/services/controller2/transports/base.py b/google/cloud/debugger_v2/services/controller2/transports/base.py
index 8cbd102..bb41c73 100644
--- a/google/cloud/debugger_v2/services/controller2/transports/base.py
+++ b/google/cloud/debugger_v2/services/controller2/transports/base.py
@@ -23,18 +23,13 @@
 import google.auth  # type: ignore
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
-import pkg_resources
 
+from google.cloud.debugger_v2 import gapic_version as package_version
 from google.cloud.debugger_v2.types import controller
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 class Controller2Transport(abc.ABC):
diff --git a/google/cloud/debugger_v2/services/debugger2/async_client.py b/google/cloud/debugger_v2/services/debugger2/async_client.py
index 2e751f9..b1a8a45 100644
--- a/google/cloud/debugger_v2/services/debugger2/async_client.py
+++ b/google/cloud/debugger_v2/services/debugger2/async_client.py
@@ -34,7 +34,8 @@
 from google.api_core.client_options import ClientOptions
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
-import pkg_resources
+
+from google.cloud.debugger_v2 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
@@ -225,7 +226,7 @@ async def set_breakpoint(
         breakpoint_: Optional[data.Breakpoint] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.SetBreakpointResponse:
         r"""Sets the breakpoint to the debuggee.
@@ -348,7 +349,7 @@ async def get_breakpoint(
         breakpoint_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.GetBreakpointResponse:
         r"""Gets breakpoint information.
@@ -488,7 +489,7 @@ async def delete_breakpoint(
         breakpoint_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> None:
         r"""Deletes the breakpoint from the debuggee.
@@ -614,7 +615,7 @@ async def list_breakpoints(
         debuggee_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.ListBreakpointsResponse:
         r"""Lists all breakpoints for the debuggee.
@@ -737,7 +738,7 @@ async def list_debuggees(
         project: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.ListDebuggeesResponse:
         r"""Lists all the debuggees that the user has access to.
@@ -852,14 +853,9 @@ async def __aexit__(self, exc_type, exc, tb):
         await self.transport.close()
 
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 __all__ = ("Debugger2AsyncClient",)
diff --git a/google/cloud/debugger_v2/services/debugger2/client.py b/google/cloud/debugger_v2/services/debugger2/client.py
index 0966ac7..c472222 100644
--- a/google/cloud/debugger_v2/services/debugger2/client.py
+++ b/google/cloud/debugger_v2/services/debugger2/client.py
@@ -38,7 +38,8 @@
 from google.auth.transport import mtls  # type: ignore
 from google.auth.transport.grpc import SslCredentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
-import pkg_resources
+
+from google.cloud.debugger_v2 import gapic_version as package_version
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault]
@@ -436,7 +437,7 @@ def set_breakpoint(
         breakpoint_: Optional[data.Breakpoint] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.SetBreakpointResponse:
         r"""Sets the breakpoint to the debuggee.
@@ -559,7 +560,7 @@ def get_breakpoint(
         breakpoint_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.GetBreakpointResponse:
         r"""Gets breakpoint information.
@@ -689,7 +690,7 @@ def delete_breakpoint(
         breakpoint_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> None:
         r"""Deletes the breakpoint from the debuggee.
@@ -805,7 +806,7 @@ def list_breakpoints(
         debuggee_id: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.ListBreakpointsResponse:
         r"""Lists all breakpoints for the debuggee.
@@ -918,7 +919,7 @@ def list_debuggees(
         project: Optional[str] = None,
         client_version: Optional[str] = None,
         retry: OptionalRetry = gapic_v1.method.DEFAULT,
-        timeout: Optional[float] = None,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
         metadata: Sequence[Tuple[str, str]] = (),
     ) -> debugger.ListDebuggeesResponse:
         r"""Lists all the debuggees that the user has access to.
@@ -1030,14 +1031,9 @@ def __exit__(self, type, value, traceback):
         self.transport.close()
 
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 __all__ = ("Debugger2Client",)
diff --git a/google/cloud/debugger_v2/services/debugger2/transports/base.py b/google/cloud/debugger_v2/services/debugger2/transports/base.py
index 438fefb..b43518f 100644
--- a/google/cloud/debugger_v2/services/debugger2/transports/base.py
+++ b/google/cloud/debugger_v2/services/debugger2/transports/base.py
@@ -24,18 +24,13 @@
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
 from google.protobuf import empty_pb2  # type: ignore
-import pkg_resources
 
+from google.cloud.debugger_v2 import gapic_version as package_version
 from google.cloud.debugger_v2.types import debugger
 
-try:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
-        gapic_version=pkg_resources.get_distribution(
-            "google-cloud-debugger-client",
-        ).version,
-    )
-except pkg_resources.DistributionNotFound:
-    DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo()
+DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
+    gapic_version=package_version.__version__
+)
 
 
 class Debugger2Transport(abc.ABC):
diff --git a/release-please-config.json b/release-please-config.json
index 4676e84..7952309 100644
--- a/release-please-config.json
+++ b/release-please-config.json
@@ -5,6 +5,7 @@
       "release-type": "python",
       "extra-files": [
         "google/cloud/debugger/gapic_version.py",
+        "google/cloud/debugger_v2/gapic_version.py",
         {
           "type": "json",
           "path": "samples/generated_samples/snippet_metadata_google.devtools.clouddebugger.v2.json",
diff --git a/setup.py b/setup.py
index 6b2b762..e40a112 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@
     release_status = "Development Status :: 5 - Production/Stable"
 
 dependencies = [
-    "google-api-core[grpc] >= 1.33.2, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*",
+    "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",
     "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",
     "google-cloud-source-context >= 1.0.0, <2.0.0dev",
diff --git a/testing/constraints-3.7.txt b/testing/constraints-3.7.txt
index d13e28c..6f476bb 100644
--- a/testing/constraints-3.7.txt
+++ b/testing/constraints-3.7.txt
@@ -4,7 +4,7 @@
 # Pin the version to the lower bound.
 # e.g., if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0dev",
 # Then this file should have google-cloud-foo==1.14.0
-google-api-core==1.33.2
+google-api-core==1.34.0
 proto-plus==1.22.0
 protobuf==3.19.5
 google-cloud-source-context==1.0.0