diff --git a/datum/utils/common_utils.py b/datum/utils/common_utils.py
index 03676bf..a075e87 100644
--- a/datum/utils/common_utils.py
+++ b/datum/utils/common_utils.py
@@ -70,7 +70,8 @@ def __init__(__self, *args: Any, **kwargs: Any):
 
   def __setattr__(self, name: str, value: Any) -> None:
     if hasattr(self.__class__, name):
-      raise AttributeError("'Dict' object attribute " "'{0}' is read-only".format(name))
+      raise AttributeError("'Dict' object attribute "
+                           "'{0}' is read-only".format(name))
     else:
       self[name] = value
 
diff --git a/datum/version.py b/datum/version.py
index 69e7f00..88e11a7 100644
--- a/datum/version.py
+++ b/datum/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = '1.4.0'
+__version__ = '1.6.0'
diff --git a/requirements.txt b/requirements.txt
index 4b14402..f29b3d3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,19 +1,19 @@
 # core lib dep
-tensorflow==2.8.1
+tensorflow==2.9.1
 opencv-python==4.5.*
 absl-py>=0.10
 tqdm>=4.39.0
 
 # test requirements
-pytest==6.2.4
-pytest-cov==2.12.0
-pytest-xdist==2.2.1
-coverage==5.5
+pytest==7.1.2
+pytest-xdist==2.5.0
+pytest-cov==3.0.0
+coverage==6.4.2
 
 # sanity requirements
-yapf==0.31.0
+yapf==0.32.0
+pylint==2.14.5
 docformatter==1.4
-isort==5.8.0
-mypy==0.812
-pylint==2.8.2
-pycodestyle==2.7.0
+mypy==0.961
+pycodestyle==2.8.0
+isort==5.10.1
diff --git a/tools/ci_build/pylintrc b/tools/ci_build/pylintrc
index 39e179e..a07198a 100644
--- a/tools/ci_build/pylintrc
+++ b/tools/ci_build/pylintrc
@@ -250,12 +250,6 @@ max-line-length=101
 # Maximum number of lines in a module.
 max-module-lines=99999
 
-# List of optional constructs for which whitespace checking is disabled. `dict-
-# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
-# `trailing-comma` allows a space between comma and closing bracket: (a, ).
-# `empty-line` allows space-only lines.
-no-space-check=
-
 # Allow the body of a class to be on the same line as the declaration if body
 # contains single statement.
 single-line-class-stmt=no