diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 2457650df..79d79d925 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -174,7 +174,9 @@ jobs:
     strategy:
       matrix:
         pyver:
-        - 3.13-freethreading
+        - 3.14t
+        - 3.14
+        - 3.13t
         - 3.13
         - 3.12
         - 3.11
@@ -191,9 +193,9 @@ jobs:
         - os: windows
           no-extensions: Y
         - os: macos
-          pyver: 3.13-freethreading  # this is still tested within cibuildwheel
+          pyver: 3.13t  # this is still tested within cibuildwheel
         - os: windows
-          pyver: 3.13-freethreading  # this is still tested within cibuildwheel
+          pyver: 3.13t  # this is still tested within cibuildwheel
         - no-extensions: Y
           debug: Y
         include:
@@ -237,18 +239,10 @@ jobs:
         path: dist
 
     - name: Setup Python ${{ matrix.pyver }}
-      if: >-
-        !endsWith(matrix.pyver, '-freethreading')
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.pyver }}
         allow-prereleases: true
-    - name: Setup Python ${{ matrix.pyver }}
-      if: endsWith(matrix.pyver, '-freethreading')
-      uses: deadsnakes/action@v3.2.0
-      with:
-        python-version: 3.13-dev
-        nogil: true
     - name: Compute runtime Python version
       id: python-install
       run: |
diff --git a/.github/workflows/reusable-cibuildwheel.yml b/.github/workflows/reusable-cibuildwheel.yml
index 2cd03b8b1..6c93a2580 100644
--- a/.github/workflows/reusable-cibuildwheel.yml
+++ b/.github/workflows/reusable-cibuildwheel.yml
@@ -108,7 +108,7 @@ jobs:
         platforms: all
 
     - name: Build wheels
-      uses: pypa/cibuildwheel@v3.0.0
+      uses: pypa/cibuildwheel@v3.1.4
       with:
         package-dir: >-  # not necessarily a dir, we pass an acceptable sdist
           dist/${{ inputs.source-tarball-name }}
diff --git a/CHANGES/1235.contrib.rst b/CHANGES/1235.contrib.rst
new file mode 100644
index 000000000..1d3602998
--- /dev/null
+++ b/CHANGES/1235.contrib.rst
@@ -0,0 +1 @@
+Updated tests and added CI for CPython 3.14 -- by :user:`kumaraditya303`.
diff --git a/setup.cfg b/setup.cfg
index 209e0d69a..36a4c7b47 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -37,6 +37,7 @@ classifiers =
   Programming Language :: Python :: 3.11
   Programming Language :: Python :: 3.12
   Programming Language :: Python :: 3.13
+  Programming Language :: Python :: 3.14
 
 [options]
 python_requires = >= 3.9
diff --git a/tests/isolated/multidict_pop.py b/tests/isolated/multidict_pop.py
index daced359e..89fcce11c 100644
--- a/tests/isolated/multidict_pop.py
+++ b/tests/isolated/multidict_pop.py
@@ -23,13 +23,15 @@ def get_memory_usage() -> int:
     return memory_info.rss / (1024 * 1024)  # type: ignore[no-any-return]
 
 
+initial_memory_usage = get_memory_usage()
+
 keys = [f"X-Any-{i}" for i in range(100)]
 headers = {key: key * 2 for key in keys}
 
 
 def check_for_leak() -> None:
     trim_ram()
-    usage = get_memory_usage()
+    usage = get_memory_usage() - initial_memory_usage
     assert usage < 50, f"Memory leaked at: {usage} MB"
 
 
diff --git a/tests/test_istr.py b/tests/test_istr.py
index f02a23593..029f579b3 100644
--- a/tests/test_istr.py
+++ b/tests/test_istr.py
@@ -5,7 +5,6 @@
 import pytest
 
 IMPLEMENTATION = getattr(sys, "implementation")  # to suppress mypy error
-GIL_ENABLED = getattr(sys, "_is_gil_enabled", lambda: True)()
 
 
 def test_ctor(case_insensitive_str_class: Type[str]) -> None:
@@ -64,16 +63,14 @@ def _create_strs() -> None:
     IMPLEMENTATION.name != "cpython",
     reason="PyPy has different GC implementation",
 )
-@pytest.mark.skipif(
-    not GIL_ENABLED,
-    reason="free threading has different GC implementation",
-)
-def test_leak(create_istrs: Callable[[], None]) -> None:
+def test_leak(
+    create_istrs: Callable[[], None], case_insensitive_str_class: Type[str]
+) -> None:
     gc.collect()
-    cnt = len(gc.get_objects())
     for _ in range(10000):
         create_istrs()
 
     gc.collect()
-    cnt2 = len(gc.get_objects())
-    assert abs(cnt - cnt2) < 10  # on other GC impls these numbers are not equal
+    assert not any(
+        isinstance(obj, case_insensitive_str_class) for obj in gc.get_objects()
+    )