diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index eb399b1..de70d3f 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -7,7 +7,7 @@ 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"]
     env:
       MAIN_PYTHON_VERSION: "3.10"
 
diff --git a/docs/changes.rst b/docs/changes.rst
index ab22b62..76e6146 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -4,6 +4,12 @@ Revision history
 
 This chapter describes improvements compared to earlier versions of cutplace.
 
+Version 0.9.2, 2023-xx-xx
+=========================
+
+* Remove support for Python 3.7
+  (`#149 <https://github.com/roskakori/cutplace/issues/149>`_).
+
 Version 0.9.1, 2022-12-29
 =========================
 
diff --git a/pyproject.toml b/pyproject.toml
index 86c37d2..8603056 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,6 @@
 line-length = 120
 include = '\.pyi?$'
 target-version = [
-    "py37",
     "py38",
     "py39",
     "py310",
@@ -49,7 +48,6 @@ classifiers = [
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
@@ -63,7 +61,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = ">=3.8, <4"
 xlrd = "^1.2"
 XlsxWriter = "^3"