diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e47523d3..7d4b52cb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -27,8 +27,7 @@ jobs:
       max-parallel: 1  # Hinet doesn't allow parallel data request
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        #python-version: ["3.8", "3.12"]
+        python-version: ["3.9", "3.14"]
         os: [macos-latest, ubuntu-latest]
 
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index 06cb306c..b60d40fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "setuptools.build_meta"
 name = "HinetPy"
 description = "A Python package for accessing and processing NIED Hi-net seismic data"
 readme = "README.rst"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [{name = "Dongdong Tian", email = "seisman.info@gmail.com"}]
 license = "MIT"
 license-files = ["LICENSE"]
@@ -18,11 +18,12 @@ classifiers = [
     "Operating System :: POSIX :: Linux",
     "Operating System :: MacOS",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "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",
     "Programming Language :: Python :: 3 :: Only",
     "Topic :: Internet :: WWW/HTTP",
     "Topic :: Scientific/Engineering :: Physics",