diff --git a/.librarian/state.yaml b/.librarian/state.yaml
index aca1e2fca..71d0e465d 100644
--- a/.librarian/state.yaml
+++ b/.librarian/state.yaml
@@ -2,7 +2,7 @@ image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-li
 libraries:
   - id: google-cloud-bigtable
     version: 2.35.0
-    last_generated_commit: a17b84add8318f780fcc8a027815d5fee644b9f7
+    last_generated_commit: 9637e50bc0ff6a5e8944980aaf6a2b7f34a90910
     apis:
       - path: google/bigtable/v2
         service_config: bigtable_v2.yaml
diff --git a/google/cloud/bigtable_admin/__init__.py b/google/cloud/bigtable_admin/__init__.py
index 00353ea96..2d95b06c8 100644
--- a/google/cloud/bigtable_admin/__init__.py
+++ b/google/cloud/bigtable_admin/__init__.py
@@ -316,6 +316,8 @@
 from google.cloud.bigtable_admin_v2.types.table import SchemaBundle
 from google.cloud.bigtable_admin_v2.types.table import Snapshot
 from google.cloud.bigtable_admin_v2.types.table import Table
+from google.cloud.bigtable_admin_v2.types.table import TieredStorageConfig
+from google.cloud.bigtable_admin_v2.types.table import TieredStorageRule
 from google.cloud.bigtable_admin_v2.types.table import RestoreSourceType
 from google.cloud.bigtable_admin_v2.types.types import Type
 
@@ -441,6 +443,8 @@
     "SchemaBundle",
     "Snapshot",
     "Table",
+    "TieredStorageConfig",
+    "TieredStorageRule",
     "RestoreSourceType",
     "Type",
 )
diff --git a/google/cloud/bigtable_admin_v2/__init__.py b/google/cloud/bigtable_admin_v2/__init__.py
index 2102867f7..6a47979fd 100644
--- a/google/cloud/bigtable_admin_v2/__init__.py
+++ b/google/cloud/bigtable_admin_v2/__init__.py
@@ -150,6 +150,8 @@
 from .types.table import SchemaBundle
 from .types.table import Snapshot
 from .types.table import Table
+from .types.table import TieredStorageConfig
+from .types.table import TieredStorageRule
 from .types.table import RestoreSourceType
 from .types.types import Type
 
@@ -353,6 +355,8 @@ def _get_version(dependency_name):
     "StandardReadRemoteWrites",
     "StorageType",
     "Table",
+    "TieredStorageConfig",
+    "TieredStorageRule",
     "Type",
     "UndeleteTableMetadata",
     "UndeleteTableRequest",
diff --git a/google/cloud/bigtable_admin_v2/types/__init__.py b/google/cloud/bigtable_admin_v2/types/__init__.py
index e5deb36a1..d2036c7a3 100644
--- a/google/cloud/bigtable_admin_v2/types/__init__.py
+++ b/google/cloud/bigtable_admin_v2/types/__init__.py
@@ -139,6 +139,8 @@
     SchemaBundle,
     Snapshot,
     Table,
+    TieredStorageConfig,
+    TieredStorageRule,
     RestoreSourceType,
 )
 from .types import (
@@ -263,6 +265,8 @@
     "SchemaBundle",
     "Snapshot",
     "Table",
+    "TieredStorageConfig",
+    "TieredStorageRule",
     "RestoreSourceType",
     "Type",
 )
diff --git a/google/cloud/bigtable_admin_v2/types/table.py b/google/cloud/bigtable_admin_v2/types/table.py
index f6d1fe729..c4f23d5fa 100644
--- a/google/cloud/bigtable_admin_v2/types/table.py
+++ b/google/cloud/bigtable_admin_v2/types/table.py
@@ -40,6 +40,8 @@
         "Snapshot",
         "Backup",
         "BackupInfo",
+        "TieredStorageConfig",
+        "TieredStorageRule",
         "ProtoSchema",
         "SchemaBundle",
     },
@@ -166,6 +168,17 @@ class Table(proto.Message):
             disabled.
 
             This field is a member of `oneof`_ ``automated_backup_config``.
+        tiered_storage_config (google.cloud.bigtable_admin_v2.types.TieredStorageConfig):
+            Rules to specify what data is stored in each
+            storage tier. Different tiers store data
+            differently, providing different trade-offs
+            between cost and performance. Different parts of
+            a table can be stored separately on different
+            tiers.
+            If a config is specified, tiered storage is
+            enabled for this table. Otherwise, tiered
+            storage is disabled.
+            Only SSD instances can configure tiered storage.
         row_key_schema (google.cloud.bigtable_admin_v2.types.Type.Struct):
             The row key schema for this table. The schema is used to
             decode the raw row key bytes into a structured format. The
@@ -399,6 +412,11 @@ class AutomatedBackupPolicy(proto.Message):
         oneof="automated_backup_config",
         message=AutomatedBackupPolicy,
     )
+    tiered_storage_config: "TieredStorageConfig" = proto.Field(
+        proto.MESSAGE,
+        number=14,
+        message="TieredStorageConfig",
+    )
     row_key_schema: types.Type.Struct = proto.Field(
         proto.MESSAGE,
         number=15,
@@ -1028,6 +1046,50 @@ class BackupInfo(proto.Message):
     )
 
 
+class TieredStorageConfig(proto.Message):
+    r"""Config for tiered storage.
+    A valid config must have a valid TieredStorageRule. Otherwise
+    the whole TieredStorageConfig must be unset.
+    By default all data is stored in the SSD tier (only SSD
+    instances can configure tiered storage).
+
+    Attributes:
+        infrequent_access (google.cloud.bigtable_admin_v2.types.TieredStorageRule):
+            Rule to specify what data is stored in the
+            infrequent access(IA) tier. The IA tier allows
+            storing more data per node with reduced
+            performance.
+    """
+
+    infrequent_access: "TieredStorageRule" = proto.Field(
+        proto.MESSAGE,
+        number=1,
+        message="TieredStorageRule",
+    )
+
+
+class TieredStorageRule(proto.Message):
+    r"""Rule to specify what data is stored in a storage tier.
+
+    .. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields
+
+    Attributes:
+        include_if_older_than (google.protobuf.duration_pb2.Duration):
+            Include cells older than the given age.
+            For the infrequent access tier, this value must
+            be at least 30 days.
+
+            This field is a member of `oneof`_ ``rule``.
+    """
+
+    include_if_older_than: duration_pb2.Duration = proto.Field(
+        proto.MESSAGE,
+        number=1,
+        oneof="rule",
+        message=duration_pb2.Duration,
+    )
+
+
 class ProtoSchema(proto.Message):
     r"""Represents a protobuf schema.
 
diff --git a/noxfile.py b/noxfile.py
index 8df24410c..29de5901b 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -63,7 +63,7 @@
 UNIT_TEST_EXTRAS: List[str] = []
 UNIT_TEST_EXTRAS_BY_PYTHON: Dict[str, List[str]] = {}
 
-SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.10", "3.14"]
+SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.14"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
     "pytest",
@@ -83,6 +83,7 @@
 
 # 'docfx' is excluded since it only needs to run in 'docs-presubmit'
 nox.options.sessions = [
+    "unit-3.9",
     "unit-3.10",
     "unit-3.11",
     "unit-3.12",
@@ -516,7 +517,6 @@ def prerelease_deps(session, protobuf_implementation):
     # Remaining dependencies
     other_deps = [
         "requests",
-        "cryptography",
     ]
     session.install(*other_deps)
 
diff --git a/tests/unit/gapic/bigtable_admin_v2/test_bigtable_table_admin.py b/tests/unit/gapic/bigtable_admin_v2/test_bigtable_table_admin.py
index cb5e8dd52..bff220693 100644
--- a/tests/unit/gapic/bigtable_admin_v2/test_bigtable_table_admin.py
+++ b/tests/unit/gapic/bigtable_admin_v2/test_bigtable_table_admin.py
@@ -23509,6 +23509,7 @@ def test_update_table_rest_call_success(request_type):
         "change_stream_config": {"retention_period": {"seconds": 751, "nanos": 543}},
         "deletion_protection": True,
         "automated_backup_policy": {"retention_period": {}, "frequency": {}},
+        "tiered_storage_config": {"infrequent_access": {"include_if_older_than": {}}},
         "row_key_schema": {
             "fields": [
                 {