diff --git a/.github/workflows/compilation.yml b/.github/workflows/compilation.yml
index 3f22d713da..61a320c25f 100644
--- a/.github/workflows/compilation.yml
+++ b/.github/workflows/compilation.yml
@@ -58,7 +58,7 @@ env:
   NETCDF_FORTRAN_VERSION: 4.6
   NVFORTRAN_VERSION: 25.7
   OPENMPI_VERSION: 5.0
-  PYTHON_VERSION: 3.13
+  PYTHON_VERSION: 3.14
   NUM_PARALLEL: 16
 
 jobs:
diff --git a/.github/workflows/extraction_test.yml b/.github/workflows/extraction_test.yml
index 8e56f7edf2..7f3d32f909 100644
--- a/.github/workflows/extraction_test.yml
+++ b/.github/workflows/extraction_test.yml
@@ -122,9 +122,8 @@ jobs:
         source /archive/psyclone-spack/psyclone-spack-Jun25/spack-repo/share/spack/setup-env.sh
         spack load lfric-build-environment%gcc@14
         source .runner_venv/bin/activate
-        export LFRIC_DIR=/archive/psyclone-tests/latest-run/extraction/lfric_apps_${LFRIC_APPS_REV}
-        export PSYCLONE_CONFIG_FILE=${PSYCLONE_LFRIC_DIR}/KGOs/lfric_psyclone.cfg
         export PSYCLONE_LFRIC_DIR=${GITHUB_WORKSPACE}/examples/lfric/scripts
+        export PSYCLONE_CONFIG_FILE=${PSYCLONE_LFRIC_DIR}/KGOs/lfric_psyclone.cfg
         export COMPILER_PROFILE=fast-debug
         export NUM_PROCS=6
         export MAX_PROC=$((NUM_PROCS-1))
diff --git a/.github/workflows/lfric_test.yml b/.github/workflows/lfric_test.yml
index 3dab6b3200..1dbc5a6c83 100644
--- a/.github/workflows/lfric_test.yml
+++ b/.github/workflows/lfric_test.yml
@@ -44,7 +44,7 @@ on:
 env:
   LFRIC_APPS_REV: 10798
   LFRIC_CORE_REV: 52772
-  PYTHON_VERSION: 3.13
+  PYTHON_VERSION: 3.14
   GCC_VERSION: 14
   NVHPC_VERSION: 25.1
   NUM_PARALLEL: 16
diff --git a/.github/workflows/nemo_tests.yml b/.github/workflows/nemo_tests.yml
index 2f899247bc..bf6594a71e 100644
--- a/.github/workflows/nemo_tests.yml
+++ b/.github/workflows/nemo_tests.yml
@@ -48,7 +48,7 @@ env:
   NVFORTRAN_VERSION: 25.7
   ONEAPI_VERSION: 2025.0
   PERL_VERSION: 5.42
-  PYTHON_VERSION: 3.13
+  PYTHON_VERSION: 3.14
   NUM_PARALLEL: 16
   PREFIX: /archive/psyclone-tests/latest-run/
 
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 5d8e1ebaa5..93e5123e6a 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -63,7 +63,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-python@v5
       with:
-        python-version: '3.13'
+        python-version: '3.14'
     - run: sudo apt-get install -y graphviz doxygen
     - run: python -m pip install --upgrade pip
     - run: pip install .[doc]
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.13']
+        python-version: ['3.9', '3.14']
     steps:
     - uses: actions/checkout@v4
       with:
diff --git a/changelog b/changelog
index 09b2133073..d8ec4c512a 100644
--- a/changelog
+++ b/changelog
@@ -1,3 +1,6 @@
+   8) PR #3190. Add python 3.14 in the CI and integration tests (except the
+   LFRic Extraction tests).
+ 
    7) PR #3181 for #3173. Adds protections for CodeBlocks in the
    DataSharingAttributeMixin.   
 
diff --git a/doc/developer_guide/working_practises.rst b/doc/developer_guide/working_practises.rst
index 0e7b987eba..634f6b773f 100644
--- a/doc/developer_guide/working_practises.rst
+++ b/doc/developer_guide/working_practises.rst
@@ -493,13 +493,13 @@ computational cost (so that we 'fail fast'):
  3. All links within the Sphinx documentation (rst files) are checked (see
     note below);
 
- 4. All of the examples are tested (for Python versions 3.10 and 3.13)
+ 4. All of the examples are tested (for Python versions 3.9 and 3.14)
     using the ``Makefile`` in the ``examples`` directory. No compilation is
     performed; only the ``transform`` (performs the PSyclone transformations)
     and ``notebook`` (runs the various Jupyter notebooks) targets are used.
     The ``transform`` target is run 2-way parallel (``-j 2``).
 
- 5. The full test suite is run for Python versions 3.10 and 3.13 but
+ 5. The full test suite is run for Python versions 3.9 and 3.14 but
     without the compilation checks. ``pytest`` is passed the ``-n auto`` flag
     so that it will run the tests in parallel on as many cores as are
     available (currently 2 on GHA instances).
diff --git a/src/psyclone/tests/generator_test.py b/src/psyclone/tests/generator_test.py
index acbbcae881..9aa1b3f447 100644
--- a/src/psyclone/tests/generator_test.py
+++ b/src/psyclone/tests/generator_test.py
@@ -1408,7 +1408,10 @@ def test_main_unexpected_fatal_error(capsys, monkeypatch):
     assert ("Error, unexpected exception, please report to the authors:"
             in output)
     assert "Traceback (most recent call last):" in output
-    assert "TypeError: argument of type 'int' is not iterable" in output
+    # Python >= 3.14 uses "is not a container or iterable",
+    # so we split the assertion for cross-version support
+    assert "TypeError: argument of type 'int' is not " in output
+    assert "iterable" in output
 
 
 def test_main_fort_line_length_off(capsys):
diff --git a/src/psyclone/tests/utils_test.py b/src/psyclone/tests/utils_test.py
index 15c684133f..d39152805c 100644
--- a/src/psyclone/tests/utils_test.py
+++ b/src/psyclone/tests/utils_test.py
@@ -357,4 +357,5 @@ def func(temp: bool, temp2: Union[bool, int]):
         # For second parameter temp2
         if "temp2" == k:
             anno = stringify_annotation(v.annotation)
-            assert "typing.Union[bool, int]" == anno
+            # Python >= 3.14 uses the second format
+            assert "typing.Union[bool, int]" == anno or "bool | int" == anno