diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 03ae906..7f44972 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.7", "3.8", "3.9", "3.10", "3.11" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
 
     steps:
       - name: Checkout
diff --git a/setup.cfg b/setup.cfg
index a2cfb81..674d956 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -15,11 +15,11 @@ classifiers =
     Operating System :: OS Independent
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
     Topic :: Software Development :: Libraries
     Topic :: Software Development :: Libraries :: Python Modules
     Topic :: Utilities
@@ -28,7 +28,7 @@ classifiers =
 package_dir =
     = src
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 install_requires =
     typing-extensions>=3.10,!=4.6.0
@@ -47,7 +47,7 @@ dev =
     flake8-bugbear
     flake8-isort
     furo
-    importlib_metadata<5; python_version=="3.7"
+    importlib_metadata
     invoke
     isort
     mypy
diff --git a/src/pydash/types.py b/src/pydash/types.py
index 6b14763..8c1535e 100644
--- a/src/pydash/types.py
+++ b/src/pydash/types.py
@@ -1,15 +1,11 @@
+from decimal import Decimal
 import typing as t
 
 from typing_extensions import Protocol
 
 
-if t.TYPE_CHECKING:
-    # F401: imported but unused
-    # py3.7 flake8 doesn't get it for type aliases
-    from decimal import Decimal  # noqa: F401
-
 IterateeObjT = t.Union[int, str, t.List, t.Tuple, t.Dict]
-NumberT = t.Union[float, int, "Decimal"]
+NumberT = t.Union[float, int, Decimal]
 NumberNoDecimalT = t.Union[float, int]
 PathT = t.Union[t.Hashable, t.List[t.Hashable]]
 
diff --git a/src/pydash/utilities.py b/src/pydash/utilities.py
index 89c1a25..8b843a6 100644
--- a/src/pydash/utilities.py
+++ b/src/pydash/utilities.py
@@ -5,7 +5,7 @@
 """
 
 from collections import namedtuple
-from datetime import datetime
+from datetime import datetime, timezone
 from functools import partial, wraps
 import math
 from random import randint, uniform
@@ -739,16 +739,9 @@ def now() -> int:
     .. versionchanged:: 3.0.0
         Use ``datetime`` module for calculating elapsed time.
     """
-    epoch = datetime.utcfromtimestamp(0)
-    delta = datetime.utcnow() - epoch
-
-    if hasattr(delta, "total_seconds"):
-        seconds = delta.total_seconds()
-    else:  # pragma: no cover
-        # PY26
-        seconds = (delta.microseconds + (delta.seconds + delta.days * 24 * 3600) * 10**6) / 10**6
-
-    return int(seconds * 1000)
+    epoch = datetime.fromtimestamp(0, timezone.utc)
+    delta = datetime.now(timezone.utc) - epoch
+    return int(delta.total_seconds() * 1000)
 
 
 def over(funcs: t.Iterable[t.Callable[P, T]]) -> t.Callable[P, t.List[T]]:
diff --git a/tests/test_strings.py b/tests/test_strings.py
index e15d0dc..26b9fe6 100644
--- a/tests/test_strings.py
+++ b/tests/test_strings.py
@@ -1,5 +1,4 @@
 import re
-import sys
 from urllib.parse import parse_qsl, urlsplit
 
 import pytest
@@ -228,37 +227,13 @@ def test_escape(case, expected):
         ("abc", "abc"),
         ("", ""),
         (None, ""),
-    ],
-)
-def test_escape_reg_exp(case, expected):
-    assert _.escape_reg_exp(case) == expected
-
-
-@pytest.mark.skipif(sys.version_info < (3, 7), reason="requires python3.7 or higher")
-@parametrize(
-    "case,expected",
-    [  # noqa
         (
             "[pydash](http://pydash.readthedocs.org/)",
             "\\[pydash\\]\\(http://pydash\\.readthedocs\\.org/\\)",
         ),
     ],
 )
-def test_escape_reg_exp_gte_py37(case, expected):
-    assert _.escape_reg_exp(case) == expected
-
-
-@pytest.mark.skipif(sys.version_info >= (3, 7), reason="requires python3.6 or lower")
-@parametrize(
-    "case,expected",
-    [  # noqa
-        (
-            "[pydash](http://pydash.readthedocs.org/)",  # noqa
-            r"\[pydash\]\(http\:\/\/pydash\.readthedocs\.org\/\)",
-        ),
-    ],
-)
-def test_escape_reg_exp_lte_py36(case, expected):
+def test_escape_reg_exp(case, expected):
     assert _.escape_reg_exp(case) == expected
 
 
diff --git a/tox.ini b/tox.ini
index c7ee4f7..f783a51 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,14 @@
 [tox]
-envlist = py37, py38, py39, py310, py311
+envlist = py38, py39, py310, py311, py312
 isolated_build = true
 
 [gh-actions]
 python =
-    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
+    3.12: py312
 
 [testenv]
 passenv = *