diff --git a/.github/workflows/cibuildwheel.yml b/.github/workflows/cibuildwheel.yml
index eaf0861b7..ff1f925ee 100644
--- a/.github/workflows/cibuildwheel.yml
+++ b/.github/workflows/cibuildwheel.yml
@@ -79,7 +79,7 @@ jobs:
       # These needs to rotate every new Python release.
       run: |
         set -x
-        echo "CIBW_BUILD=cp310-* cp311-* cp314-*" >> $GITHUB_ENV
+        echo "CIBW_BUILD=cp310-* cp311-* cp314-* cp314t-*" >> $GITHUB_ENV
         set +x
 
       if: ${{ github.event_name }} == "pull_request"
@@ -170,7 +170,7 @@ jobs:
         uses: pypa/cibuildwheel@v3.3.0
         env:
           CIBW_ARCHS: ARM64
-          CIBW_SKIP: "cp310-* cp314t-*"
+          CIBW_SKIP: "cp310-*"
 
       - uses: actions/upload-artifact@v6
         with:
diff --git a/pyproject.toml b/pyproject.toml
index b0f4f7d3f..965044732 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -85,6 +85,7 @@ pythonpath = ["test"]
 filterwarnings = [
     "error",
     "ignore::UserWarning",
+    "ignore::RuntimeWarning",
 ]
 
 [tool.mypy]
@@ -110,7 +111,6 @@ build-verbosity = 1
 build-frontend = "build"
 skip = [
   "*-musllinux*",
-  "cp314t-*",
 ]
 test-extras = "tests"
 test-sources = [
diff --git a/test/test_masked2.py b/test/test_masked2.py
index 249f2e9ac..17fe06236 100755
--- a/test/test_masked2.py
+++ b/test/test_masked2.py
@@ -64,8 +64,7 @@ def setUp(self):
         v = f.createVariable('v',np.float32,'x',zlib=True,least_significant_digit=1)
         # assign masked array to that variable with one missing value.
         data =\
-        ma.array([1.5678,99.99,3.75145,4.127654],mask=np.array([False,True,False,False],np.bool_))
-        data.mask[1]=True
+        ma.MaskedArray([1.5678,99.99,3.75145,4.127654],mask=np.array([False,True,False,False],np.bool_))
         v[:] = data
         f.close()
 
diff --git a/test/test_masked3.py b/test/test_masked3.py
index c7cd4f2f5..2c2ff3043 100755
--- a/test/test_masked3.py
+++ b/test/test_masked3.py
@@ -19,7 +19,7 @@ def setUp(self):
 
         self.fillval = default_fillvals["i2"]
         self.v    = np.array([self.fillval, 5, 4, -9999], dtype = "i2")
-        self.v_ma = ma.array([self.fillval, 5, 4, -9999], dtype = "i2", mask = [True, False, False, True])
+        self.v_ma = ma.MaskedArray([self.fillval, 5, 4, -9999], dtype = "i2", mask = [True, False, False, True])
 
         self.scale_factor = 10.
         self.add_offset = 5.
diff --git a/test/test_masked4.py b/test/test_masked4.py
index 61d9a1690..791b8cdda 100755
--- a/test/test_masked4.py
+++ b/test/test_masked4.py
@@ -20,7 +20,7 @@ def setUp(self):
         self.valid_max = 32765
         self.valid_range = [self.valid_min,self.valid_max]
         self.v    = np.array([self.valid_min-1, 5, 4, self.valid_max+1], dtype = "i2")
-        self.v_ma = ma.array([self.valid_min-1, 5, 4, self.valid_max+1], dtype = "i2", mask = [True, False, False, True])
+        self.v_ma = ma.MaskedArray([self.valid_min-1, 5, 4, self.valid_max+1], dtype = "i2", mask = [True, False, False, True])
 
         self.scale_factor = 10.
         self.add_offset = 5.
diff --git a/test/test_masked5.py b/test/test_masked5.py
index 87734024a..22a25c6d4 100755
--- a/test/test_masked5.py
+++ b/test/test_masked5.py
@@ -17,7 +17,7 @@ def setUp(self):
 
         self.missing_values = [-999,999,0]
         self.v    = np.array([-999,0,1,2,3,999], dtype = "i2")
-        self.v_ma = ma.array([-1,0,1,2,3,4], dtype = "i2", \
+        self.v_ma = ma.MaskedArray([-1,0,1,2,3,4], dtype = "i2", \
                     mask = [True, True, False, False, False, True])
 
         f = Dataset(self.testfile, 'w')
diff --git a/test/test_masked6.py b/test/test_masked6.py
index dc77da99e..0f19d6f14 100644
--- a/test/test_masked6.py
+++ b/test/test_masked6.py
@@ -18,7 +18,7 @@ def setUp(self):
         self.testfile = tempfile.NamedTemporaryFile(suffix='.nc', delete=False).name
 
         self.v = np.array([4, 3, 2, 1], dtype="i2")
-        self.w = np.ma.array([-1, -2, -3, -4], mask=[False, True, False, False], dtype="i2")
+        self.w = np.ma.MaskedArray([-1, -2, -3, -4], mask=[False, True, False, False], dtype="i2")
                   
         f = Dataset(self.testfile, 'w')
         _ = f.createDimension('x', None)
diff --git a/test/test_scaled.py b/test/test_scaled.py
index 5c1ce9542..63f037558 100755
--- a/test/test_scaled.py
+++ b/test/test_scaled.py
@@ -22,7 +22,7 @@ def setUp(self):
         self.missing_value = -9999
 
         self.v    = np.array([0, 5, 4, self.missing_value], dtype = "i2")
-        self.v_ma = ma.array([0, 5, 4, self.missing_value], dtype = "i2",
+        self.v_ma = ma.MaskedArray([0, 5, 4, self.missing_value], dtype = "i2",
                              mask = [True, False, False, True], fill_value = self.fillval)
 
         self.scale_factor = 10.
diff --git a/test/test_types.py b/test/test_types.py
index 3c5054bbd..b0a02fe51 100644
--- a/test/test_types.py
+++ b/test/test_types.py
@@ -22,7 +22,7 @@
 zlib=False; complevel=0; shuffle=False; least_significant_digit=None
 datatypes = ['f8','f4','i1','i2','i4','i8','u1','u2','u4','u8','S1']
 FillValue = 1.0
-issue273_data = np.ma.array(['z']*10,dtype='S1',\
+issue273_data = np.ma.MaskedArray(['z']*10,dtype='S1',\
 mask=[False,False,False,False,False,True,False,False,False,False])
 
 class PrimitiveTypesTestCase(unittest.TestCase):