diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 47f725170bd8..8af3edcb8cef 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -73,6 +73,14 @@ jobs:
           # allow_failure: true
           test_mypyc: true
 
+        - name: Test suite with py314t-ubuntu
+          python: '3.14t'
+          os: ubuntu-24.04-arm
+          toxenv: py
+          tox_extra_args: "-n 4"
+          # allow_failure: true
+          test_mypyc: true
+
         - name: mypyc runtime tests with py39-macos
           python: '3.9.21'
           # TODO: macos-13 is the last one to support Python 3.9, change it to macos-latest when updating the Python version
@@ -158,6 +166,8 @@ jobs:
       if: ${{ !(matrix.debug_build || endsWith(matrix.python, '-dev')) }}
       with:
         python-version: ${{ matrix.python }}
+        # allow pre-release builds to install without -dev suffix
+        allow-prereleases: true
 
     - name: Install tox
       run: |
@@ -176,6 +186,11 @@ jobs:
         pip install -r test-requirements.txt
         CC=clang MYPYC_OPT_LEVEL=0 MYPY_USE_MYPYC=1 pip install -e .
 
+    # delete this when importing lxml.etree no longer re-enables the GIL
+    - name: Force-disable GIL in 3.14t tests
+      if: ${{ matrix.python == '3.14t' }}
+      run: echo "PYTHON_GIL=0" >> "$GITHUB_ENV"
+
     - name: Setup tox environment
       run: |
         tox run -e ${{ matrix.toxenv }} --notest