diff --git a/.github/workflows/tox.yml b/.github/workflows/tox.yml
index 39739b4..abbe8a6 100644
--- a/.github/workflows/tox.yml
+++ b/.github/workflows/tox.yml
@@ -28,8 +28,9 @@ jobs:
         id: generate_matrix
         uses: coactions/dynamic-matrix@v1
         with:
-          min_python: "3.9"
-          max_python: "3.12"
+          min_python: "3.10"
+          default_python: "3.10"
+          max_python: "3.13"
           other_names: |
             lint
             docs
@@ -64,12 +65,12 @@ jobs:
           sudo apt-get update \
           && sudo apt-get install -y libvirt-dev zsh
 
-      - name: Set up Python ${{ matrix.python_version || '3.9' }}
+      - name: Set up Python ${{ matrix.python_version || '3.10' }}
         if: "!contains(matrix.shell, 'wsl')"
         uses: actions/setup-python@v5
         with:
           cache: pip
-          python-version: ${{ matrix.python_version || '3.9' }}
+          python-version: ${{ matrix.python_version || '3.10' }}
 
       - name: Install tox
         run: |
@@ -145,7 +146,7 @@ jobs:
 
       - name: Check for expected number of coverage.xml reports
         run: |
-          JOBS_PRODUCING_COVERAGE=4
+          JOBS_PRODUCING_COVERAGE=6
           if [ "$(find . -name coverage.xml | wc -l | bc)" -ne "${JOBS_PRODUCING_COVERAGE}" ]; then
             echo "::error::Number of coverage.xml files was not the expected one (${JOBS_PRODUCING_COVERAGE}): $(find . -name coverage.xml |xargs echo)"
             exit 1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1ee16da..dbec4b5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -49,7 +49,7 @@ repos:
     hooks:
       - id: mypy
         # mypy args needed in order to match mypy cli behavior
-        args: ["--python-version", "3.9"]
+        args: ["--python-version", "3.10"]
         entry: mypy src/
         pass_filenames: false
         additional_dependencies:
diff --git a/mypy.ini b/mypy.ini
index c1befcc..9133676 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.9
+python_version = 3.10
 color_output = True
 error_summary = True
 # TODO(ssbarnea): Remove ignores below:
diff --git a/pyproject.toml b/pyproject.toml
index dc09b4c..72bc1f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 # https://peps.python.org/pep-0621/#readme
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dynamic = ["version", "dependencies", "optional-dependencies"]
 name = "mk"
 description = "mk"
@@ -24,10 +24,10 @@ classifiers = [
   "Operating System :: MacOS",
   "Operating System :: POSIX",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3 :: Only",
   "Programming Language :: Python",
   "Topic :: Software Development :: Quality Assurance",
@@ -90,7 +90,7 @@ concurrency = ["multiprocessing", "thread"]
 profile = "black"
 
 [tool.mypy]
-python_version = "3.9"
+python_version = "3.10"
 strict = true
 color_output = true
 error_summary = true
@@ -115,7 +115,7 @@ disable = [
 ]
 
 [tool.ruff]
-target-version = "py39"
+target-version = "py310"
 # Same as Black.
 line-length = 88
 lint.ignore = [