diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eea7339..b969f40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: [ "3.7", "3.8", "3.9", "3.10" ]
+        python: [ "3.7", "3.8", "3.9", "3.10", "3.11", "3.12" ]
     name: python-${{ matrix.python }}
     steps:
       - name: Checkout
diff --git a/docker-compose.yml b/docker-compose.yml
index c4baf64..a00df7f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,3 +37,21 @@ services:
      - .:/undictify
     working_dir: /undictify
     entrypoint: ./test/install_from_local_and_run_code_checks.sh
+
+  unit-tests-3-11:
+    build:
+      context: .
+      dockerfile: test/Dockerfile_3.11
+    volumes:
+     - .:/undictify
+    working_dir: /undictify
+    entrypoint: ./test/install_from_local_and_run_code_checks.sh
+
+  unit-tests-3-12:
+    build:
+      context: .
+      dockerfile: test/Dockerfile_3.12
+    volumes:
+      - .:/undictify
+    working_dir: /undictify
+    entrypoint: ./test/install_from_local_and_run_code_checks.sh
diff --git a/test/Dockerfile_3.11 b/test/Dockerfile_3.11
new file mode 100644
index 0000000..6f693c4
--- /dev/null
+++ b/test/Dockerfile_3.11
@@ -0,0 +1,4 @@
+FROM python:3.11
+
+RUN pip3 install --upgrade pip
+RUN pip3 install pylint mypy
diff --git a/test/Dockerfile_3.12 b/test/Dockerfile_3.12
new file mode 100644
index 0000000..4c89c26
--- /dev/null
+++ b/test/Dockerfile_3.12
@@ -0,0 +1,4 @@
+FROM python:3.12
+
+RUN pip3 install --upgrade pip
+RUN pip3 install pylint mypy
diff --git a/test/run_code_checks.sh b/test/run_code_checks.sh
index bb8068c..1d668bb 100755
--- a/test/run_code_checks.sh
+++ b/test/run_code_checks.sh
@@ -3,4 +3,4 @@ set -e
 
 find undictify -iname "*.py" | grep -v -e "__init__.py" | xargs -L 1 pylint
 find undictify -iname "*.py" | grep -v -e "__init__.py" | xargs -L 1 mypy --strict
-find undictify -iname "*.py" | grep -v -e "__init__.py" | xargs -L 1 python3 -m unittest
+python3 -m unittest undictify/tests.py
diff --git a/undictify/_unpack.py b/undictify/_unpack.py
index 338209d..e71deeb 100644
--- a/undictify/_unpack.py
+++ b/undictify/_unpack.py
@@ -254,7 +254,7 @@ def _get_value(func: WrappedOrFunc[TypeT],
         if _is_optional_type(func) or _is_union_type(func) \
         else [func]))
 
-    if func is inspect.Parameter.empty and param_name != 'self':  # type: ignore
+    if func is inspect.Parameter.empty and param_name != 'self':
         raise TypeError(f'Parameter {param_name} of target function '
                         'is missing a type annotation.')
 
@@ -299,7 +299,7 @@ def _get_value(func: WrappedOrFunc[TypeT],
                                     f'into type {_get_type_name(func)} '
                                     f'for key {param_name}.')
                 try:
-                    if isinstance(value, str) and func is bool:  # type: ignore
+                    if isinstance(value, str) and func is bool:
                         return _string_to_bool(value)
                     return func(value)
                 except ValueError as ex:
@@ -375,7 +375,7 @@ def _is_initvar_type(the_type: Callable[..., TypeT]) -> bool:
 
     Therefore, the code below checks for both cases to support 3.7 and 3.8
     """
-    return the_type == InitVar or isinstance(the_type, InitVar)  # type: ignore
+    return the_type == InitVar or isinstance(the_type, InitVar)
 
 
 def _is_union_type(the_type: Callable[..., TypeT]) -> bool:
@@ -416,7 +416,7 @@ def _is_dict_type(the_type: Callable[..., TypeT]) -> bool:
 
 def _type_origin_is(the_type: Callable[..., TypeT], origin: Any) -> bool:
     assert hasattr(the_type, '__origin__')
-    return the_type.__origin__ is origin  # type: ignore
+    return the_type.__origin__ is origin
 
 
 def _get_union_types(union_type: Callable[..., TypeT]) -> List[Callable[..., TypeT]]:
@@ -478,10 +478,8 @@ def _isinstanceofone(value: Callable[..., TypeT], types: List[Callable[..., Type
             if _isinstanceofone(value, _get_union_types(the_type)):
                 return True
         try:
-            # pylint: disable=unidiomatic-typecheck
-            if type(value) == the_type:  # type: ignore
+            if type(value) == the_type:  # pylint: disable=unidiomatic-typecheck
                 return True
-            # pylint: enable=unidiomatic-typecheck
         except TypeError:
             pass
     return False