diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 61dc014..0f8485a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,10 +25,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [ "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12" ]
+        python-version: [ "3.8", "3.9", "3.10", "3.11", "3.12" ]
 
-    # For Python 3.6, we need to fall back to Ubuntu 20.04
-    runs-on: ${{ matrix.python-version == '3.6' && 'ubuntu-20.04' || 'ubuntu-latest' }}
+    runs-on: "ubuntu-latest"
 
     env:
       test_results_dir: test-results-${{ matrix.python-version }}
@@ -44,11 +43,6 @@ jobs:
 
       - name: Update pip
         run: python3 -m pip install -U pip
-      - name: Avoid compiling OpenCV and NumPy on Python 3.6
-        run: |
-          if python3 --version | grep -q "Python 3.6"; then
-             pip install --prefer-binary -U opencv-python-headless numpy
-          fi
       - name: Install requirements*.txt
         run: |
           for requirements_txt in requirements*.txt; do
diff --git a/pyproject.toml b/pyproject.toml
index da33b15..ce32d56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
 ]
 description = "The OCR evaluation tool"
 readme = "README.md"
-requires-python = ">=3.6"
+requires-python = ">=3.8"
 keywords = ["qurator", "ocr", "evaluation", "ocr-d"]
 
 dynamic = ["version", "dependencies", "optional-dependencies"]