diff --git a/Pipfile b/_Pipfile
similarity index 100%
rename from Pipfile
rename to _Pipfile
diff --git a/Pipfile.lock b/_Pipfile.lock
similarity index 100%
rename from Pipfile.lock
rename to _Pipfile.lock
diff --git a/pyproject.toml b/pyproject.toml
index d6778b6..6a3a4df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "pyshelf"
 dynamic = ["version"]
 description = ''
 readme = "README.md"
-requires-python = ">=3.7"
+requires-python = ">=3.12"
 license = "CC-BY-NC-ND-4.0"
 keywords = []
 authors = [
@@ -16,11 +16,7 @@ authors = [
 classifiers = [
   "Development Status :: 4 - Beta",
   "Programming Language :: Python",
-  "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",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
 ]
@@ -57,7 +53,7 @@ cov = [
 ]
 
 [[tool.hatch.envs.all.matrix]]
-python = ["3.7", "3.8", "3.9", "3.10", "3.11"]
+python = ["3.12"]
 
 [tool.hatch.envs.lint]
 detached = true