diff --git a/policyd_rate_limit/utils.py b/policyd_rate_limit/utils.py
index 664ae93..0b0ddd9 100644
--- a/policyd_rate_limit/utils.py
+++ b/policyd_rate_limit/utils.py
@@ -15,7 +15,8 @@
 import collections
 import ipaddress
 import time
-import imp
+import importlib.util
+import importlib.machinery
 import pwd
 import grp
 import warnings
@@ -35,6 +36,18 @@ def ip_network(ip_str):
         return ipaddress.IPv6Network(ip_str)
 
 
+
+def load_source(modname, filename):
+    # Replacing imp.load_source() according to https://docs.python.org/3/whatsnew/3.12.html#imp
+    loader = importlib.machinery.SourceFileLoader(modname, filename)
+    spec = importlib.util.spec_from_file_location(modname, filename, loader=loader)
+    module = importlib.util.module_from_spec(spec)
+    # The module is always executed and not cached in sys.modules.
+    # Uncomment the following line to cache the module.
+    # sys.modules[module.__name__] = module
+    loader.exec_module(module)
+    return module
+
 class Exit(Exception):
     pass
 
@@ -63,7 +76,7 @@ def __init__(self, config_file=None):
                 try:
                     # compatibility with old config style in a python module
                     if config_file.endswith(".conf"):  # pragma: no cover (deprecated)
-                        self._config = imp.load_source('config', config_file)
+                        self._config = load_source('config', config_file)
                         warnings.warn(
                             (
                                 "New configuration use a .yaml file. "
@@ -71,7 +84,7 @@ def __init__(self, config_file=None):
                             ),
                             stacklevel=3
                         )
-                        cache_file = imp.cache_from_source(config_file)
+                        cache_file = importlib.util.cache_from_source(config_file)
                         # remove the config pyc file
                         try:
                             os.remove(cache_file)
diff --git a/setup.py b/setup.py
index 51aafc3..01ff4fc 100755
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@ def add_data_file(dir, file, check_dir=False, mkdir=False):
 
 setup(
     name='policyd-rate-limit',
-    version='1.2.0',
+    version='1.2.1',
     description=DESC,
     long_description=README,
     author='Valentin Samir',