diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 339807b..cab6b97 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/mathparse/__init__.py b/mathparse/__init__.py
index dd526e7..1103506 100644
--- a/mathparse/__init__.py
+++ b/mathparse/__init__.py
@@ -2,4 +2,4 @@
 mathparse is a library for solving mathematical equations contained in strings
 """
 
-__version__ = '0.2.6'
+__version__ = '0.2.7'
diff --git a/pyproject.toml b/pyproject.toml
index 9e9e1cf..0f564e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ version = {attr = "mathparse.__version__"}
 
 [project]
 name = "mathparse"
-requires-python = ">=3.9,<3.14"
+requires-python = ">=3.9,<3.15"
 urls = { Documentation = "https://mathparse.chatterbot.us", Repository = "https://github.com/gunthercox/mathparse", Changelog = "https://github.com/gunthercox/mathparse/releases" }
 authors = [
   {name = "Gunther Cox"},
diff --git a/tests/test_prefix_unary_operations.py b/tests/test_prefix_unary_operations.py
index 70073d1..07376ed 100644
--- a/tests/test_prefix_unary_operations.py
+++ b/tests/test_prefix_unary_operations.py
@@ -155,7 +155,13 @@ def test_sqrt_with_negative_causes_math_error(self):
         # Verify it causes the expected math error
         with self.assertRaises(ValueError) as context:
             mathparse.parse('sqrt -16')
-        self.assertIn("math domain error", str(context.exception).lower())
+        # Python 3.14+ uses more specific error messages
+        error_msg = str(context.exception).lower()
+        self.assertTrue(
+            "math domain error" in error_msg or
+            "expected a nonnegative input" in error_msg,
+            f"Unexpected error message: {error_msg}"
+        )
 
     def test_log_with_negative_causes_math_error(self):
         """
@@ -168,7 +174,13 @@ def test_log_with_negative_causes_math_error(self):
         # Verify it causes the expected math error
         with self.assertRaises(ValueError) as context:
             mathparse.parse('log -10')
-        self.assertIn("math domain error", str(context.exception).lower())
+        # Python 3.14+ uses more specific error messages
+        error_msg = str(context.exception).lower()
+        self.assertTrue(
+            "math domain error" in error_msg or
+            "expected a positive input" in error_msg,
+            f"Unexpected error message: {error_msg}"
+        )
 
     def test_sqrt_with_positive_after_operator(self):
         """