diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2b04200..8c90f49 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,10 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, macos-13, windows-latest]
-        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12","3.13"]
+        exclude:
+          - os: windows-latest
+            python-version: "3.13"
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
diff --git a/pyencrypt/encrypt.py b/pyencrypt/encrypt.py
index 1ee4534..0923507 100644
--- a/pyencrypt/encrypt.py
+++ b/pyencrypt/encrypt.py
@@ -7,7 +7,7 @@
 try:
     import python_minifier
 except ImportError as exc:
-    if sys.version_info.minor < 12:
+    if sys.version_info.minor < 14:
         raise ImportError("Couldn't import python_minifier.") from exc
 
     python_minifier = None
diff --git a/pyencrypt/loader.py b/pyencrypt/loader.py
index 0d87a2c..eeb99f5 100644
--- a/pyencrypt/loader.py
+++ b/pyencrypt/loader.py
@@ -91,15 +91,11 @@ def find_spec(
         cls, fullname: str, path: Sequence[_Path], target: types.ModuleType = None
     ) -> ModuleSpec:
         if path:
+            filename = "{}{}".format(fullname.rsplit(".", 1)[-1], ENCRYPT_SUFFIX)
             if isinstance(path, _NamespacePath):
-                file_path = (
-                    Path(path._path[0])
-                    / f'{fullname.rsplit(".", 1)[-1]}{ENCRYPT_SUFFIX}'
-                )
+                file_path = Path(path._path[0]) / filename
             else:
-                file_path = (
-                    Path(path[0]) / f'{fullname.rsplit(".", 1)[-1]}{ENCRYPT_SUFFIX}'
-                )
+                file_path = Path(path[0]) / filename
         else:
             for p in sys.path:
                 file_path = Path(p) / f"{fullname}{ENCRYPT_SUFFIX}"
diff --git a/setup.cfg b/setup.cfg
index 159f79b..637bc50 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,7 @@ classifiers =
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     Programming Language :: Python :: Implementation :: CPython
     Environment :: Console
 license_files = LICENSE
@@ -33,11 +34,11 @@ keywords = python-encrypt, import-hook
 install_requires = 
     Cython >= 0.29.30
     pycryptodome >= 3.14.1
-    python-minifier >= 2.6.0; python_version < '3.12'
+    python-minifier >= 2.6.0; python_version < '3.14'
     click
     setuptools >= 66.1.0; python_version >= '3.12'
     setuptools <= 60.9.0; python_version < '3.12'
-python_requires = >=3.6,<3.13
+python_requires = >=3.6,<3.14
 packages = find:
 # package_dir =
 #     = src