diff --git a/okonomiyaki/utils/test_data/__init__.py b/okonomiyaki/utils/test_data/__init__.py
index d1e5b9e4..d8209b52 100644
--- a/okonomiyaki/utils/test_data/__init__.py
+++ b/okonomiyaki/utils/test_data/__init__.py
@@ -241,3 +241,35 @@
     NOSE_1_3_4_OSX_X86_64_cp38,
     MKL_10_3_OSX_X86_64_cp38,
     NUMPY_1_9_2_OSX_X86_64_cp38]
+
+# cp38 eggs for testing
+
+_RH8_X86_64_cp311 = os.path.join(_HERE, "eggs", "rh8_x86_64", "cp311")
+
+NOSE_1_3_4_RH7_X86_64_cp311 = os.path.join(_RH8_X86_64_cp311, "nose-1.3.4-1.egg")
+MKL_10_3_RH7_X86_64_cp311 = os.path.join(_RH8_X86_64_cp311, "MKL-10.3-1.egg")
+NUMPY_1_9_2_RH7_X86_64_cp311 = os.path.join(_RH8_X86_64_cp311, "numpy-1.9.2-1.egg")
+
+_WIN_X86_64_cp311 = os.path.join(_HERE, "eggs", "win_x86_64", "cp311")
+
+NOSE_1_3_4_WIN_X86_64_cp311 = os.path.join(_WIN_X86_64_cp311, "nose-1.3.4-1.egg")
+MKL_10_3_WIN_X86_64_cp311 = os.path.join(_WIN_X86_64_cp311, "MKL-10.3-1.egg")
+NUMPY_1_9_2_WIN_X86_64_cp311 = os.path.join(_WIN_X86_64_cp311, "numpy-1.9.2-1.egg")
+
+_OSX_X86_64_cp311 = os.path.join(_HERE, "eggs", "osx_x86_64", "cp311")
+
+NOSE_1_3_4_OSX_X86_64_cp311 = os.path.join(_OSX_X86_64_cp311, "nose-1.3.4-1.egg")
+MKL_10_3_OSX_X86_64_cp311 = os.path.join(_OSX_X86_64_cp311, "MKL-10.3-1.egg")
+NUMPY_1_9_2_OSX_X86_64_cp311 = os.path.join(_OSX_X86_64_cp311, "numpy-1.9.2-1.egg")
+
+
+CP311_EGGS = [
+    NOSE_1_3_4_RH7_X86_64_cp311,
+    MKL_10_3_RH7_X86_64_cp311,
+    NUMPY_1_9_2_RH7_X86_64_cp311,
+    NOSE_1_3_4_WIN_X86_64_cp311,
+    MKL_10_3_WIN_X86_64_cp311,
+    NUMPY_1_9_2_WIN_X86_64_cp311,
+    NOSE_1_3_4_OSX_X86_64_cp311,
+    MKL_10_3_OSX_X86_64_cp311,
+    NUMPY_1_9_2_OSX_X86_64_cp311]
diff --git a/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/MKL-10.3-1.egg b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/MKL-10.3-1.egg
new file mode 100644
index 00000000..c7debf11
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/MKL-10.3-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/nose-1.3.4-1.egg b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/nose-1.3.4-1.egg
new file mode 100644
index 00000000..f500e2d7
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/nose-1.3.4-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/numpy-1.9.2-1.egg b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/numpy-1.9.2-1.egg
new file mode 100644
index 00000000..3ec8ceb3
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/osx_x86_64/cp311/numpy-1.9.2-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/MKL-10.3-1.egg b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/MKL-10.3-1.egg
new file mode 100644
index 00000000..4d5d9fb1
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/MKL-10.3-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/nose-1.3.4-1.egg b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/nose-1.3.4-1.egg
new file mode 100644
index 00000000..90141691
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/nose-1.3.4-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/numpy-1.9.2-1.egg b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/numpy-1.9.2-1.egg
new file mode 100644
index 00000000..1997a5c8
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/rh8_x86_64/cp311/numpy-1.9.2-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/MKL-10.3-1.egg b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/MKL-10.3-1.egg
new file mode 100644
index 00000000..e01d4594
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/MKL-10.3-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/nose-1.3.4-1.egg b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/nose-1.3.4-1.egg
new file mode 100644
index 00000000..9df8cc98
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/nose-1.3.4-1.egg differ
diff --git a/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/numpy-1.9.2-1.egg b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/numpy-1.9.2-1.egg
new file mode 100644
index 00000000..c838644c
Binary files /dev/null and b/okonomiyaki/utils/test_data/eggs/win_x86_64/cp311/numpy-1.9.2-1.egg differ
diff --git a/okonomiyaki/utils/tests/test_eggs.py b/okonomiyaki/utils/tests/test_eggs.py
index 4d6415af..293c5a9b 100644
--- a/okonomiyaki/utils/tests/test_eggs.py
+++ b/okonomiyaki/utils/tests/test_eggs.py
@@ -6,7 +6,7 @@
 from okonomiyaki.file_formats import EggMetadata
 from okonomiyaki.platforms import PlatformABI
 
-from ..test_data import CP38_EGGS, CP27_EGGS
+from ..test_data import CP38_EGGS, CP27_EGGS, CP311_EGGS
 
 
 class TestDummyEggs(unittest.TestCase):
@@ -34,6 +34,29 @@ def test_cp38_egg_metadata_valid(self, filepath):
             self.assertEqual(metadata.platform_tag, 'linux_x86_64')
             self.assertEqual(metadata.platform_abi, PlatformABI(u'gnu'))
 
+    @given(sampled_from(CP311_EGGS))
+    def test_cp311_egg_metadata_valid(self, filepath):
+        # when
+        metadata = EggMetadata.from_egg(filepath)
+        filepath = filepath.lower()
+
+        # then
+        if 'mkl' in metadata.name:
+            self.assertEqual(metadata.python_tag, None)
+            self.assertEqual(metadata.abi_tag, None)
+        else:
+            self.assertEqual(metadata.python_tag, 'cp311')
+            self.assertEqual(metadata.abi_tag, 'cp311')
+        if 'osx_x86_64' in filepath:
+            self.assertEqual(metadata.platform_tag, 'macosx_12_0_x86_64')
+            self.assertEqual(metadata.platform_abi, PlatformABI(u'darwin'))
+        elif 'win_x86_64' in filepath:
+            self.assertEqual(metadata.platform_tag, 'win_amd64')
+            self.assertEqual(metadata.platform_abi, PlatformABI(u'msvc2022'))
+        else:
+            self.assertEqual(metadata.platform_tag, 'linux_x86_64')
+            self.assertEqual(metadata.platform_abi, PlatformABI(u'gnu'))
+
     @given(sampled_from(CP27_EGGS))
     def test_cp27_egg_metadata_valid(self, filepath):
         # when
diff --git a/okonomiyaki/utils/tests/test_test_data.py b/okonomiyaki/utils/tests/test_runtimes.py
similarity index 100%
rename from okonomiyaki/utils/tests/test_test_data.py
rename to okonomiyaki/utils/tests/test_runtimes.py
diff --git a/setup.cfg b/setup.cfg
index 897d35db..01cd727e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -58,12 +58,16 @@ okonomiyaki.utils.test_data =
   eggs/rh5_x86_64/*.egg
   eggs/rh6_x86_64/*.egg
   eggs/rh7_x86_64/*.egg
+  eggs/rh8_x86_64/*.egg
   eggs/win_x86_64/*.egg
   eggs/osx_x86_64/cp38/*.egg
+  eggs/osx_x86_64/cp311/*.egg
   eggs/rh5_x86_64/cp38/*.egg
   eggs/rh6_x86_64/cp38/*.egg
   eggs/rh7_x86_64/cp38/*.egg
+  eggs/rh8_x86_64/cp311/*.egg
   eggs/win_x86_64/cp38/*.egg
+  eggs/win_x86_64/cp311/*.egg
   wheels/*.whl
 
 [options.extras_require]