diff --git a/ci/Current.txt b/ci/Current.txt
index f269aa7a830..2d9800e1848 100644
--- a/ci/Current.txt
+++ b/ci/Current.txt
@@ -1,5 +1,5 @@
 matplotlib==3.2.1
-numpy==1.18.5
+numpy==1.19.1
 scipy==1.5.2
 pint==0.14
 xarray==0.15.1
diff --git a/tests/calc/test_thermo.py b/tests/calc/test_thermo.py
index 69ec2511256..284b8697114 100644
--- a/tests/calc/test_thermo.py
+++ b/tests/calc/test_thermo.py
@@ -808,6 +808,7 @@ def test_most_unstable_parcel():
     assert_almost_equal(ret[2], 19.0 * units.degC, 6)
 
 
+@pytest.mark.filterwarnings('ignore:invalid value:RuntimeWarning')
 def test_isentropic_pressure():
     """Test calculation of isentropic pressure function."""
     lev = [100000., 95000., 90000., 85000.] * units.Pa
@@ -819,8 +820,7 @@ def test_isentropic_pressure():
     tmp[:, :, -1] = np.nan
     tmpk = tmp * units.kelvin
     isentlev = [296.] * units.kelvin
-    with pytest.warns(RuntimeWarning, match='invalid value'):
-        isentprs = isentropic_interpolation(isentlev, lev, tmpk)
+    isentprs = isentropic_interpolation(isentlev, lev, tmpk)
     trueprs = np.ones((1, 5, 5)) * (1000. * units.hPa)
     trueprs[:, :, -1] = np.nan
     assert isentprs[0].shape == (1, 5, 5)
diff --git a/tests/plots/test_declarative.py b/tests/plots/test_declarative.py
index 6c7c7c55562..a3584e2ce01 100644
--- a/tests/plots/test_declarative.py
+++ b/tests/plots/test_declarative.py
@@ -439,7 +439,7 @@ def test_declarative_barb_earth_relative():
     return pc.figure
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.346)
+@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.347)
 def test_declarative_barb_gfs():
     """Test making a contour plot."""
     data = xr.open_dataset(get_test_data('GFS_test.nc', as_file_obj=False))