diff --git a/poetry.lock b/poetry.lock
index 5b1e090..542fad9 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -179,7 +179,7 @@ dev = ["Sphinx (==2.1.0)", "future (==0.17.1)", "numpy (==1.16.4)", "pytest (==4
 
 [[package]]
 name = "flatbuffers"
-version = "2.0.7"
+version = "1.12"
 description = "The FlatBuffers serialization format for Python"
 category = "main"
 optional = false
@@ -435,7 +435,7 @@ format-nongpl = ["fqdn", "idna", "isoduration", "jsonpointer (>1.13)", "rfc3339-
 
 [[package]]
 name = "keras"
-version = "2.7.0"
+version = "2.9.0"
 description = "Deep learning for humans."
 category = "main"
 optional = false
@@ -1088,42 +1088,43 @@ python-versions = "*"
 
 [[package]]
 name = "tensorflow"
-version = "2.7.2"
+version = "2.9.0"
 description = "TensorFlow is an open source machine learning framework for everyone."
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = ">=3.7"
 
 [package.dependencies]
-absl-py = ">=0.4.0"
+absl-py = ">=1.0.0"
 astunparse = ">=1.6.0"
-flatbuffers = ">=1.12,<3.0"
-gast = ">=0.2.1,<0.5.0"
+flatbuffers = ">=1.12,<2"
+gast = ">=0.2.1,<=0.4.0"
 google-pasta = ">=0.1.1"
 grpcio = ">=1.24.3,<2.0"
 h5py = ">=2.9.0"
-keras = ">=2.7.0rc0,<2.8"
+keras = ">=2.9.0rc0,<2.10.0"
 keras-preprocessing = ">=1.1.1"
-libclang = ">=9.0.1"
-numpy = ">=1.14.5"
+libclang = ">=13.0.0"
+numpy = ">=1.20"
 opt-einsum = ">=2.3.2"
+packaging = "*"
 protobuf = ">=3.9.2"
+setuptools = "*"
 six = ">=1.12.0"
-tensorboard = ">=2.6,<3.0"
-tensorflow-estimator = ">=2.7.0rc0,<2.8"
-tensorflow-io-gcs-filesystem = ">=0.21.0"
+tensorboard = ">=2.9,<2.10"
+tensorflow-estimator = ">=2.9.0rc0,<2.10.0"
+tensorflow-io-gcs-filesystem = ">=0.23.1"
 termcolor = ">=1.1.0"
 typing-extensions = ">=3.6.6"
-wheel = ">=0.32.0,<1.0"
 wrapt = ">=1.11.0"
 
 [[package]]
 name = "tensorflow-estimator"
-version = "2.7.0"
+version = "2.9.0"
 description = "TensorFlow Estimator."
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = ">=3.7"
 
 [[package]]
 name = "tensorflow-io-gcs-filesystem"
@@ -1414,8 +1415,8 @@ ffmpeg-python = [
     {file = "ffmpeg_python-0.2.0-py3-none-any.whl", hash = "sha256:ac441a0404e053f8b6a1113a77c0f452f1cfc62f6344a769475ffdc0f56c23c5"},
 ]
 flatbuffers = [
-    {file = "flatbuffers-2.0.7-py2.py3-none-any.whl", hash = "sha256:71e135d533be527192819aaab757c5e3d109cb10fbb01e687f6bdb7a61ad39d1"},
-    {file = "flatbuffers-2.0.7.tar.gz", hash = "sha256:0ae7d69c5b82bf41962ca5fde9cc43033bc9501311d975fd5a25e8a7d29c1245"},
+    {file = "flatbuffers-1.12-py2.py3-none-any.whl", hash = "sha256:9e9ef47fa92625c4721036e7c4124182668dc6021d9e7c73704edd395648deb9"},
+    {file = "flatbuffers-1.12.tar.gz", hash = "sha256:63bb9a722d5e373701913e226135b28a6f6ac200d5cc7b4d919fa38d73b44610"},
 ]
 future = [
     {file = "future-0.18.2.tar.gz", hash = "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"},
@@ -1560,7 +1561,7 @@ jsonschema = [
     {file = "jsonschema-4.15.0.tar.gz", hash = "sha256:21f4979391bdceb044e502fd8e79e738c0cdfbdc8773f9a49b5769461e82fe1e"},
 ]
 keras = [
-    {file = "keras-2.7.0-py2.py3-none-any.whl", hash = "sha256:0c33ae1f728064ca0d35dfba999e9c316f03623bf5688c82fb83cc74a80ea248"},
+    {file = "keras-2.9.0-py2.py3-none-any.whl", hash = "sha256:55911256f89cfc9343c9fbe4b61ec45a2d33d89729cbe1ab9dcacf8b07b8b6ab"},
 ]
 Keras-Preprocessing = [
     {file = "Keras_Preprocessing-1.1.2-py2.py3-none-any.whl", hash = "sha256:7b82029b130ff61cc99b55f3bd27427df4838576838c5b2f65940e4fcec99a7b"},
@@ -2140,18 +2141,21 @@ tensorboard-plugin-wit = [
     {file = "tensorboard_plugin_wit-1.8.1-py3-none-any.whl", hash = "sha256:ff26bdd583d155aa951ee3b152b3d0cffae8005dc697f72b44a8e8c2a77a8cbe"},
 ]
 tensorflow = [
-    {file = "tensorflow-2.7.2-cp37-cp37m-macosx_10_11_x86_64.whl", hash = "sha256:050c2ef8d432eb60f2cb6fc75d751fcb3008af6a86ad1147faea30cb59c275b1"},
-    {file = "tensorflow-2.7.2-cp37-cp37m-manylinux2010_x86_64.whl", hash = "sha256:3c72b8653a539789ef36f8c1ad8266b9e676dff2293f0f7a68d9b26fc77a37f3"},
-    {file = "tensorflow-2.7.2-cp37-cp37m-win_amd64.whl", hash = "sha256:1db663f9f59ba54a294b1f6530f131e90c7a0e6ea49fda5b2c6900e57b0c306a"},
-    {file = "tensorflow-2.7.2-cp38-cp38-macosx_10_11_x86_64.whl", hash = "sha256:cb66d4a998af1ca979d6da33e925281596f52e5a9ba67b2295c53677f8379eee"},
-    {file = "tensorflow-2.7.2-cp38-cp38-manylinux2010_x86_64.whl", hash = "sha256:d4dbfab1568564b30bab876424fafd74c8a8715238b76284b5dd1cfe86c7881b"},
-    {file = "tensorflow-2.7.2-cp38-cp38-win_amd64.whl", hash = "sha256:b9a7f344b93b953cab4c3f6ec3b6c1799eb538b6a1978d3a4b579d7a81ee7439"},
-    {file = "tensorflow-2.7.2-cp39-cp39-macosx_10_11_x86_64.whl", hash = "sha256:99a85258505130b1f3ce203f11b3bb3c95442edefec96c0b221ce0d6541a92c8"},
-    {file = "tensorflow-2.7.2-cp39-cp39-manylinux2010_x86_64.whl", hash = "sha256:bb2115796e2e7738de1844aead493bc1f1122ff1fae65fc691bb1ce5a0fdd2aa"},
-    {file = "tensorflow-2.7.2-cp39-cp39-win_amd64.whl", hash = "sha256:3e35d046d0be677239b5e832854bcb291ca79388fa406d9d7547bc3377a7efbb"},
+    {file = "tensorflow-2.9.0-cp310-cp310-macosx_10_14_x86_64.whl", hash = "sha256:2125efb61952821b69446875ccccf8cdcc6c838c21224f70668b51965a0cdf91"},
+    {file = "tensorflow-2.9.0-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c93690a4abe2c3d804c035e1f51721a87fd60097459e783dce93600f399e1073"},
+    {file = "tensorflow-2.9.0-cp310-cp310-win_amd64.whl", hash = "sha256:dd2eb802a254b6a120c64843c4b727e7dc0fc412055a1542ad792dbb358da27d"},
+    {file = "tensorflow-2.9.0-cp37-cp37m-macosx_10_14_x86_64.whl", hash = "sha256:92f48fa903ac5cad7bbd8231b10f34d4369ca62dd5f0c7ca975603056e466cd3"},
+    {file = "tensorflow-2.9.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:71bcbd327dc8ba664190e78dcdfc94f839e558c08ffc55e4930ac1fdd05b4246"},
+    {file = "tensorflow-2.9.0-cp37-cp37m-win_amd64.whl", hash = "sha256:d7a73577f7b5cac106b9b9c8fc1c2e6dec4a2e5890328eef3b6ce6a58d5fcaee"},
+    {file = "tensorflow-2.9.0-cp38-cp38-macosx_10_14_x86_64.whl", hash = "sha256:e41c998e1e865baabd58fb30d4536282af894931218e2f6dda2ab0aad57af7d1"},
+    {file = "tensorflow-2.9.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6bf4f872a246bff9993b800acabe3daeca647f6dfa62acc58ce6c90ab7f5596e"},
+    {file = "tensorflow-2.9.0-cp38-cp38-win_amd64.whl", hash = "sha256:6b049df845b08c76e36f420a93f071895cc1de9bdfc09df8bd3712bc8c9eafd4"},
+    {file = "tensorflow-2.9.0-cp39-cp39-macosx_10_14_x86_64.whl", hash = "sha256:f9167b594af16becdf882a6d9a44851cde7fa8e9619a07f8c10a9d8eb31ead1d"},
+    {file = "tensorflow-2.9.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:4ffe5c36e45552d98ff1b0a7edfa7592626e307515affbb11924bf48da40989a"},
+    {file = "tensorflow-2.9.0-cp39-cp39-win_amd64.whl", hash = "sha256:bb17b23d96588c97869b58fd874887ea7e25efa69d80122f5a6d1a26e8cb897e"},
 ]
 tensorflow-estimator = [
-    {file = "tensorflow_estimator-2.7.0-py2.py3-none-any.whl", hash = "sha256:325b5a224864379242b7b76c6987ca544239be82579d33e68ec7c2bda57abc9d"},
+    {file = "tensorflow_estimator-2.9.0-py2.py3-none-any.whl", hash = "sha256:e9762bb302f51bc1eb2f35d19f0190a6a2d809d754d5def788c4328fe3746744"},
 ]
 tensorflow-io-gcs-filesystem = [
     {file = "tensorflow_io_gcs_filesystem-0.26.0-cp310-cp310-macosx_10_14_x86_64.whl", hash = "sha256:4222a9d0c0ddeca2fd2bfd70f5ed149346f5ba12ffe65d817d8e18393341d8e2"},