diff --git a/.github/workflows/run-tests.yaml b/.github/workflows/run-tests.yaml
index 0a678b8a..34ba0f7f 100644
--- a/.github/workflows/run-tests.yaml
+++ b/.github/workflows/run-tests.yaml
@@ -96,7 +96,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     name: Merge tests 2 - Python (${{ matrix.python-version }}) functional tests (Ubuntu)
     steps:
     - name: Checkout the code
@@ -261,7 +261,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
         asserts: ["", "-x VERBOSE=ON -x ASSERTS=ON"]
     name: Release tests 3 (Python ${{ matrix.python-version }}${{ matrix.asserts != '' && ' with asserts' || '' }})
     needs:
@@ -297,7 +297,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
         asserts: ["", "-x VERBOSE=ON -x ASSERTS=ON"]
     name: Release tests 4 (Python ${{ matrix.python-version }}${{ matrix.asserts != '' && ' with asserts' || '' }})
     needs:
diff --git a/pyproject.toml b/pyproject.toml
index 958e924b..c0174a87 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ name = 'zcbor'
 description = 'Code generation and data validation using CDDL schemas'
 readme = 'pypi_README.md'
 license = {text = 'Apache'}
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
 	'Development Status :: 4 - Beta',
 	'Intended Audience :: Developers',