diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 868942b..8c60ae1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
         os: [ubuntu-latest, macos-latest, windows-latest]
       fail-fast: false
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8ef7504..914b88c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -28,7 +28,7 @@ repos:
     rev: v3.4.0
     hooks:
     -   id: pyupgrade
-        args: [--py37-plus]
+        args: [--py38-plus]
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v1.3.0
     hooks:
diff --git a/pytestify/fixes/asserts.py b/pytestify/fixes/asserts.py
index 6559b64..c103bb0 100644
--- a/pytestify/fixes/asserts.py
+++ b/pytestify/fixes/asserts.py
@@ -2,7 +2,6 @@
 
 import ast
 import re
-import sys
 from dataclasses import dataclass, field
 from tokenize import TokenError
 from typing import NamedTuple
@@ -169,12 +168,7 @@ def visit_Call(self, call: ast.Call) -> None:
                     # still rewrite it, but without specially handling it
                     continue
 
-                const = keyword.value
-                if sys.version_info >= (3, 8):
-                    kwargs[arg] = const.value  # type: ignore
-                else:
-                    # Prior to Python 3.8, const is actually a ast.Num object
-                    kwargs[arg] = const.n  # type: ignore
+                kwargs[arg] = keyword.value.value
         end_line = close_paren.line
         self.calls.append(
             Call(
@@ -185,7 +179,9 @@ def visit_Call(self, call: ast.Call) -> None:
                 comments=comments,
                 commas=commas,
                 keywords=call.keywords,
-                **kwargs
+                # The below line triggers a mypy issue,
+                # see https://github.com/python/mypy/issues/5382.
+                **kwargs  # type: ignore
             ),
         )
 
diff --git a/setup.cfg b/setup.cfg
index 27cf795..3cf8869 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,7 +20,7 @@ project_urls =
 packages = find:
 install_requires =
     tokenize-rt>=4.0.0
-python_requires = >=3.7
+python_requires = >=3.8
 
 [options.packages.find]
 exclude =