diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2f943fa..ad86ebf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     name: Python ${{ matrix.python-version }}
     steps:
diff --git a/Makefile b/Makefile
index 8126f9e..720433e 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@ clean:  ## Clean build artifacts
 
 .PHONY: lint
 lint:  ## Lint and black reformat files
-	black --target-version=py37 setup.py dennis tests
+	black --target-version=py311 setup.py dennis tests
 	flake8 dennis tests
 
 .PHONY: test
diff --git a/setup.py b/setup.py
index 6e59bad..7d6f140 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ def get_version():
         [console_scripts]
         dennis-cmd=dennis.cmdline:click_run
     """,
-    python_requires=">=3.7",
+    python_requires=">=3.8",
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "Environment :: Console",
@@ -55,7 +55,6 @@ def get_version():
         "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",
diff --git a/tox.ini b/tox.ini
index 233055f..2651e59 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,8 @@
 [tox]
-envlist = py37,py38,py39,py310,py311
+envlist = py38,py39,py310,py311
 
 [gh-actions]
 python =
-    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310