diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cf8743eb7..ca44ca742 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.11', '3.12', '3.13', '3.14', '3.15']
     
     name: Python ${{ matrix.python-version }}
     steps:
@@ -46,4 +46,4 @@ jobs:
           REPL_ID: hello # Arcade checks for this to disable anti-aliasing
         run: |
           xvfb-run --auto-servernum uv run arcade
-          xvfb-run --auto-servernum uv run pytest --maxfail=10
\ No newline at end of file
+          xvfb-run --auto-servernum uv run pytest --maxfail=10
diff --git a/tests/unit/color/test_module_color.py b/tests/unit/color/test_module_color.py
index 0ab742fb1..1a7f0ba85 100644
--- a/tests/unit/color/test_module_color.py
+++ b/tests/unit/color/test_module_color.py
@@ -1,6 +1,13 @@
+import sys
+
+
 def test_colors():
     from arcade import color
 
     names = color.__dict__.keys()
+
+    # py3.15
+    n_extra = int(sys.version_info <= (3, 15))
+
     # number of colors + 1 real import
-    assert 1016 + 1 == len(names)
+    assert 1016 + n_extra == len(names)
diff --git a/tests/unit/color/test_module_csscolor.py b/tests/unit/color/test_module_csscolor.py
index dce43eba3..193dbf35d 100644
--- a/tests/unit/color/test_module_csscolor.py
+++ b/tests/unit/color/test_module_csscolor.py
@@ -1,6 +1,13 @@
+import sys
+
+
 def test_csscolors():
     from arcade import csscolor
 
     names = csscolor.__dict__.keys()
+
+    # py3.15+
+    n_extra = int(sys.version_info <= (3, 15))
+
     # number of colors + 1 import
-    assert 156 + 1 == len(names)
+    assert 156 + n_extra == len(names)