diff --git a/google/cloud/datastore_admin_v1/proto/datastore_admin_pb2_grpc.py b/google/cloud/datastore_admin_v1/proto/datastore_admin_pb2_grpc.py
index 177889e1..1352ae2c 100644
--- a/google/cloud/datastore_admin_v1/proto/datastore_admin_pb2_grpc.py
+++ b/google/cloud/datastore_admin_v1/proto/datastore_admin_pb2_grpc.py
@@ -312,6 +312,7 @@ def ExportEntities(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -325,6 +326,7 @@ def ExportEntities(
             google_dot_longrunning_dot_operations__pb2.Operation.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -339,6 +341,7 @@ def ImportEntities(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -352,6 +355,7 @@ def ImportEntities(
             google_dot_longrunning_dot_operations__pb2.Operation.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -366,6 +370,7 @@ def GetIndex(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -379,6 +384,7 @@ def GetIndex(
             google_dot_cloud_dot_datastore__admin__v1_dot_proto_dot_index__pb2.Index.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -393,6 +399,7 @@ def ListIndexes(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -406,6 +413,7 @@ def ListIndexes(
             google_dot_cloud_dot_datastore__admin__v1_dot_proto_dot_datastore__admin__pb2.ListIndexesResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
diff --git a/google/cloud/datastore_v1/gapic/datastore_client.py b/google/cloud/datastore_v1/gapic/datastore_client.py
index ac61c12b..5f9b530f 100644
--- a/google/cloud/datastore_v1/gapic/datastore_client.py
+++ b/google/cloud/datastore_v1/gapic/datastore_client.py
@@ -36,10 +36,11 @@
 from google.cloud.datastore_v1.proto import datastore_pb2_grpc
 from google.cloud.datastore_v1.proto import entity_pb2
 from google.cloud.datastore_v1.proto import query_pb2
-from google.cloud.datastore.version import __version__
 
 
-_GAPIC_LIBRARY_VERSION = __version__
+_GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
+    "google-cloud-datastore",
+).version
 
 
 class DatastoreClient(object):
diff --git a/google/cloud/datastore_v1/proto/datastore_pb2_grpc.py b/google/cloud/datastore_v1/proto/datastore_pb2_grpc.py
index 5ff5d9e1..b628d8ca 100644
--- a/google/cloud/datastore_v1/proto/datastore_pb2_grpc.py
+++ b/google/cloud/datastore_v1/proto/datastore_pb2_grpc.py
@@ -185,6 +185,7 @@ def Lookup(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -198,6 +199,7 @@ def Lookup(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.LookupResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -212,6 +214,7 @@ def RunQuery(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -225,6 +228,7 @@ def RunQuery(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.RunQueryResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -239,6 +243,7 @@ def BeginTransaction(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -252,6 +257,7 @@ def BeginTransaction(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.BeginTransactionResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -266,6 +272,7 @@ def Commit(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -279,6 +286,7 @@ def Commit(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.CommitResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -293,6 +301,7 @@ def Rollback(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -306,6 +315,7 @@ def Rollback(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.RollbackResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -320,6 +330,7 @@ def AllocateIds(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -333,6 +344,7 @@ def AllocateIds(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.AllocateIdsResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
@@ -347,6 +359,7 @@ def ReserveIds(
         options=(),
         channel_credentials=None,
         call_credentials=None,
+        insecure=False,
         compression=None,
         wait_for_ready=None,
         timeout=None,
@@ -360,6 +373,7 @@ def ReserveIds(
             google_dot_cloud_dot_datastore__v1_dot_proto_dot_datastore__pb2.ReserveIdsResponse.FromString,
             options,
             channel_credentials,
+            insecure,
             call_credentials,
             compression,
             wait_for_ready,
diff --git a/synth.metadata b/synth.metadata
index 4c3400d3..7872c593 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,15 +4,15 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-datastore.git",
-        "sha": "8aa3eac28e0e733b61d6ab9e1d233a99467b7081"
+        "sha": "b6bc2f7998dc52618a82c86782a709fcbb67a8cf"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "8d73f9486fc193a150f6c907dfb9f49431aff3ff",
-        "internalRef": "332497859"
+        "sha": "20b11dfe4538cd5da7b4c3dd7d2bf5b9922ff3ed",
+        "internalRef": "338646463"
       }
     },
     {