6 files changed, 5 insertions, 11 deletions

diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index c27d37f..2314f0c 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.9]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.mergify.yml b/.mergify.yml
index c28b2ad..3a9965e 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -8,14 +8,8 @@ pull_request_rules:
       - or:
         - "#approved-reviews-by>=1"
         - "author=Flameeyes"
-      - "status-success=pytest (ubuntu-latest, 3.7)"
-      - "status-success=pytest (ubuntu-latest, 3.8)"
       - "status-success=pytest (ubuntu-latest, 3.9)"
-      - "status-success=pytest (macos-latest, 3.7)"
-      - "status-success=pytest (macos-latest, 3.8)"
       - "status-success=pytest (macos-latest, 3.9)"
-      - "status-success=pytest (windows-latest, 3.7)"
-      - "status-success=pytest (windows-latest, 3.8)"
       - "status-success=pytest (windows-latest, 3.9)"
       - "status-success=pre-commit"
     actions:
diff --git a/README.md b/README.md
index 1177679..6b27d3b 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ extra:
 ## Development
 
 If you want to contribute code, please note that the target language
-is Python 3.7, and that the style to follow is for the most part PEP8
+is Python 3.9, and that the style to follow is for the most part PEP8
 compatible.
 
 To set up your development environment follow these guidelines:
diff --git a/mypy.ini b/mypy.ini
index 50f219f..17a03ee 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -3,7 +3,7 @@
 ; SPDX-License-Identifier: 0BSD
 
 [mypy]
-python_version = 3.7
+python_version = 3.9
 
 [mypy-click_log]
 ignore_missing_imports = True
diff --git a/pyproject.toml b/pyproject.toml
index a062cb5..8d1804d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ requires = [
 
 [tool.black]
 line-length = 88
-target-version = ['py37']
+target-version = ['py39']
 exclude = '''
 /(
     \.eggs
diff --git a/setup.cfg b/setup.cfg
index d9d0089..5742dce 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -35,7 +35,7 @@ keywords =
 packages = find:
 install_requires =
     construct
-python_requires = ~= 3.7
+python_requires = ~= 3.9
 
 [options.extras_require]
 hidapi =