diff --git a/.github/workflows/test_and_build.yaml b/.github/workflows/test_and_build.yaml
index 8bea027..f7cb70d 100644
--- a/.github/workflows/test_and_build.yaml
+++ b/.github/workflows/test_and_build.yaml
@@ -8,12 +8,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v7
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v7
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d34afdc..090cbfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@ In Development
 
 * Python 3.8 and 3.9 are no longer supported.
 * The `original` field of the returned validated email object incorrectly un-escaped the local part of the email address. Now it returns the original address, without any display name, as passed to validate_email.
+* add support python3.15
 
 2.3.0 (August 26, 2025)
 -----------------------
diff --git a/setup.cfg b/setup.cfg
index 6cfeb0d..ad970d4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,6 +19,7 @@ classifiers =
     Programming Language :: Python :: 3.12
     Programming Language :: Python :: 3.13
     Programming Language :: Python :: 3.14
+    Programming Language :: Python :: 3.15
     Topic :: Software Development :: Libraries :: Python Modules
 keywords = email address validator