diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 88b0b6f91..acfe80ded 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,8 +4,10 @@ on: [push, pull_request]
 jobs:
   test:
     strategy:
+      fail-fast: false
       matrix:
-        python_version: ['3.10', '3.12', '3.13', '3.14']
+        # python_version: ['3.10', '3.11', '3.12', '3.13', '3.14', '3.14t']
+        python_version: ['3.14', '3.14t']  # Use less resources while debugging...
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
@@ -147,6 +149,10 @@ jobs:
         # like _socket. This is a workaround.
         unset LD_LIBRARY_PATH
         PWNLIB_NOTERM=1 python -bb -m coverage run -m sphinx -b doctest docs/source docs/build/doctest
+        pip install pytest-sphinx
+        PWNLIB_NOTERM=1 python -bb -m coverage run -m pytest docs/source docs/build/doctest || true
+        echo "=== pytest --doctest-modules ==="
+        PWNLIB_NOTERM=1 python -bb -m coverage run -m pytest --doctest-modules docs/source docs/build/doctest --ignore=docs/source/conf.py
 
     - name: Coverage running examples
       run: |
@@ -220,6 +226,23 @@ jobs:
         pwn libcdb lookup puts 5f0 __libc_start_main_ret d0a
         pwn libcdb hash b229d1da1e161f95e839cf90cded5f719e5de308
 
+    - name: Test free-threaded Python code with pytest-run-parallel
+      # https://py-free-threading.github.io/testing
+      env:
+        TERM: linux
+      timeout-minutes: 15
+      run: |
+        python -m pip install pytest pytest-timeout  # pytest-run-parallel
+        echo "pytest -vvv --doctest-modules ..."
+        pytest -vvv || true  # collecting ... collected 0 items
+        pytest -vvv --doctest-modules --timeout=60 pwnlib/adb/adb.py || true
+        pytest -vvv --doctest-modules --timeout=60 pwnlib/adb || true
+        pytest -vvv --doctest-modules --timeout=60 || true
+        python -m pip install pytest-run-parallel
+        pytest -vvv --doctest-modules --iterations=8 --timeout=60 || true
+        pytest -vvv --doctest-modules --parallel-threads=auto --timeout=60  || true
+        pytest -vvv --doctest-modules --iterations=8 --parallel-threads=auto
+
     - name: Build source and wheel distributions
       run: |
         python -m build