diff --git a/deptry/import_parser.py b/deptry/import_parser.py
index 363b8c79..b0969dec 100644
--- a/deptry/import_parser.py
+++ b/deptry/import_parser.py
@@ -3,6 +3,8 @@
 from pathlib import Path
 from typing import List, Union
 
+import chardet
+
 from deptry.notebook_import_extractor import NotebookImportExtractor
 
 RECURSION_TYPES = [ast.If, ast.Try, ast.ExceptHandler, ast.FunctionDef, ast.ClassDef]
@@ -45,7 +47,7 @@ def get_imported_modules_from_str(self, file_str: str) -> List[str]:
         return self._get_import_modules_from(import_nodes)
 
     def _get_imported_modules_from_py(self, path_to_py_file: Path) -> List[str]:
-        with open(path_to_py_file) as f:
+        with open(path_to_py_file, encoding=self._get_file_encoding(path_to_py_file)) as f:
             root = ast.parse(f.read(), path_to_py_file)  # type: ignore
         import_nodes = self._get_import_nodes_from(root)
         return self._get_import_modules_from(import_nodes)
@@ -102,3 +104,8 @@ def _filter_exceptions(modules: List[str]):
                 logging.debug(f"Found module {exception} to be imported, omitting from the list of modules.")
                 modules = [module for module in modules if not module == exception]
         return modules
+
+    @staticmethod
+    def _get_file_encoding(file_name: Union[str, Path]) -> str:
+        rawdata = open(file_name, "rb").read()
+        return chardet.detect(rawdata)["encoding"]
diff --git a/poetry.lock b/poetry.lock
index c2b6c919..d4705ad0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -162,6 +162,14 @@ python-versions = "*"
 [package.dependencies]
 pycparser = "*"
 
+[[package]]
+name = "chardet"
+version = "5.0.0"
+description = "Universal encoding detector for Python 3"
+category = "main"
+optional = false
+python-versions = ">=3.6"
+
 [[package]]
 name = "charset-normalizer"
 version = "2.1.1"
@@ -1285,7 +1293,7 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=6)", "pytest-black (>=
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7,<4.0"
-content-hash = "a015e2e9c0e165dc8fd9082e72ee26bc4fb8bcb28050383a63541f0a65f79972"
+content-hash = "c0f6c6483f7562d5459c47d367fcc0b078dd66e210089eef52330f2dba715887"
 
 [metadata.files]
 anyio = [
@@ -1438,6 +1446,10 @@ cffi = [
     {file = "cffi-1.15.1-cp39-cp39-win_amd64.whl", hash = "sha256:70df4e3b545a17496c9b3f41f5115e69a4f2e77e94e1d2a8e1070bc0c38c8a3c"},
     {file = "cffi-1.15.1.tar.gz", hash = "sha256:d400bfb9a37b1351253cb402671cea7e89bdecc294e8016a707f6d1d8ac934f9"},
 ]
+chardet = [
+    {file = "chardet-5.0.0-py3-none-any.whl", hash = "sha256:d3e64f022d254183001eccc5db4040520c0f23b1a3f33d6413e099eb7f126557"},
+    {file = "chardet-5.0.0.tar.gz", hash = "sha256:0368df2bfd78b5fc20572bb4e9bb7fb53e2c094f60ae9993339e8671d0afb8aa"},
+]
 charset-normalizer = [
     {file = "charset-normalizer-2.1.1.tar.gz", hash = "sha256:5a3d016c7c547f69d6f81fb0db9449ce888b418b5b9952cc5e6e66843e9dd845"},
     {file = "charset_normalizer-2.1.1-py3-none-any.whl", hash = "sha256:83e9a75d1911279afd89352c68b45348559d1fc0506b054b346651b5e7fee29f"},
diff --git a/pyproject.toml b/pyproject.toml
index 4592861b..7693f287 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,7 @@ toml = "^0.10.2"
 isort = "^5.10.1"
 click = "^8.0.0"
 importlib-metadata = { version = "*", python = "<=3.7" }
+chardet = "^5.0.0"
 
 [tool.poetry.dev-dependencies]
 black = "^22.6.0"
diff --git a/tests/test_import_parser.py b/tests/test_import_parser.py
index d05ba322..aaf9a8ca 100644
--- a/tests/test_import_parser.py
+++ b/tests/test_import_parser.py
@@ -83,3 +83,53 @@ def test_import_parser_ignores_setuptools(tmp_path):
             f.write("import setuptools\nimport foo")
         imported_modules = ImportParser().get_imported_modules_for_list_of_files(["file.py"])
         assert set(imported_modules) == set(["foo"])
+
+
+def test_import_parser_ignores_setuptools(tmp_path):
+
+    with run_within_dir(tmp_path):
+        with open("file1.py", "w", encoding="utf-8") as f:
+            f.write(
+                """#!/usr/bin/python
+# -*- encoding: utf-8 -*-
+import foo
+print('嘉大')
+"""
+            )
+        with open("file2.py", "w", encoding="iso-8859-15") as f:
+            f.write(
+                """
+#!/usr/bin/python
+# -*- encoding: iso-8859-15 -*-
+import foo
+print('Æ	Ç')
+"""
+            )
+        with open("file3.py", "w", encoding="utf-16") as f:
+            f.write(
+                """#!/usr/bin/python
+# -*- encoding: utf-16 -*-
+import foo
+print('嘉大')
+"""
+            )
+        with open("file4.py", "w", encoding="cp861") as f:
+            f.write(
+                """#!/usr/bin/python
+# -*- encoding: cp861 -*-
+import foo
+print('foo')
+"""
+            )
+
+        imported_modules = ImportParser().get_imported_modules_from_file(Path("file1.py"))
+        assert set(imported_modules) == set(["foo"])
+
+        imported_modules = ImportParser().get_imported_modules_from_file(Path("file2.py"))
+        assert set(imported_modules) == set(["foo"])
+
+        imported_modules = ImportParser().get_imported_modules_from_file(Path("file3.py"))
+        assert set(imported_modules) == set(["foo"])
+
+        imported_modules = ImportParser().get_imported_modules_from_file(Path("file4.py"))
+        assert set(imported_modules) == set(["foo"])