diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a045c6d6..6a5eb3b2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -70,13 +70,14 @@ jobs:
 
   # Build and test matrix (parallel execution)
   build-and-test:
-    name: Build & Test (${{ matrix.platform }})
+    name: Build & Test (${{ matrix.platform }}, py${{ matrix.python-version }})
     needs: lint
     runs-on: ${{ matrix.os }}
     
     strategy:
       fail-fast: false
       matrix:
+        python-version: ['3.10', '3.13', '3.14']
         include:
           - os: macos-15
             platform: macos-arm64
@@ -99,7 +100,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.10'
+          python-version: ${{ matrix.python-version }}
           cache: 'pip'
           cache-dependency-path: 'pyproject.toml'
 
diff --git a/pyproject.toml b/pyproject.toml
index d77eeab2..3203f38f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,6 +27,8 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Database",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Topic :: Software Development :: Libraries :: Python Modules",
@@ -161,6 +163,8 @@ build = [
     "cp310-*",
     "cp311-*",
     "cp312-*",
+    "cp313-*",
+    "cp314-*",
 ]
 build-frontend = "build"
 test-requires = ["pytest", "numpy"]
diff --git a/tests/core/metric/quantized_integer_metric_test.cc b/tests/core/metric/quantized_integer_metric_test.cc
index d0deac84..11916ffe 100644
--- a/tests/core/metric/quantized_integer_metric_test.cc
+++ b/tests/core/metric/quantized_integer_metric_test.cc
@@ -516,7 +516,7 @@ void TestDistanceMatrixInt4(const std::string &metric_name) {
   matrix_compute(&matrix2[0], &query2[0], meta2.dimension(), &result2[0]);
 
   for (size_t i = 0; i < batch_size * query_size; ++i) {
-    EXPECT_NEAR(result1[i], result2[i], 1e-4);
+    EXPECT_NEAR(result1[i], result2[i], 5e-4);
     EXPECT_TRUE(IsAlmostEqual(result1[i], result2[i], 1e4));
   }
 }