diff --git a/colour/quality/tests/test_cqs.py b/colour/quality/tests/test_cqs.py
index 8476d6ffd..0bf30b67c 100644
--- a/colour/quality/tests/test_cqs.py
+++ b/colour/quality/tests/test_cqs.py
@@ -37,7 +37,7 @@ def test_colour_quality_scale(self):
         np.testing.assert_allclose(
             colour_quality_scale(SDS_ILLUMINANTS["FL1"]),
             74.982585798279914,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
@@ -45,13 +45,13 @@ def test_colour_quality_scale(self):
                 SDS_ILLUMINANTS["FL1"], method="NIST CQS 7.4"
             ),
             75.377089740493361,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
             colour_quality_scale(SDS_ILLUMINANTS["FL2"]),
             64.111822015662852,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
@@ -59,13 +59,13 @@ def test_colour_quality_scale(self):
                 SDS_ILLUMINANTS["FL2"], method="NIST CQS 7.4"
             ),
             64.774586908581369,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
             colour_quality_scale(SDS_LIGHT_SOURCES["Neodimium Incandescent"]),
             89.737456186836681,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
@@ -74,7 +74,7 @@ def test_colour_quality_scale(self):
                 method="NIST CQS 7.4",
             ),
             87.700300087538821,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
@@ -82,7 +82,7 @@ def test_colour_quality_scale(self):
                 SDS_LIGHT_SOURCES["F32T8/TL841 (Triphosphor)"]
             ),
             84.934928463428903,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         np.testing.assert_allclose(
@@ -91,7 +91,7 @@ def test_colour_quality_scale(self):
                 method="NIST CQS 7.4",
             ),
             83.255457439460713,
-            atol=TOLERANCE_ABSOLUTE_TESTS,
+            atol=5e-5,
         )
 
         specification_r = ColourRendering_Specification_CQS(