diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ee0992c..7680bb3 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -35,6 +35,7 @@ jobs:
         - "3.12"
         - "3.13"
         - "3.14"
+        - "3.15"
         include:
         - os: ubuntu-22.04
           python-version: "3.7"
diff --git a/pyproject.toml b/pyproject.toml
index 4099ed8..229ac37 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,6 +29,7 @@ classifiers = [
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: 3.14",
+    "Programming Language :: Python :: 3.15",
     "Topic :: Internet :: WWW/HTTP",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Topic :: Utilities",
@@ -78,6 +79,7 @@ env_list = [
   "3.12",
   "3.13",
   "3.14",
+  "3.15",
   "coverage",
   "lint",
   "typing",
@@ -101,6 +103,7 @@ depends = [
   "3.12",
   "3.13",
   "3.14",
+  "3.15",
 ]
 dependency_groups = [ "test" ]
 commands = [
@@ -138,6 +141,7 @@ commands = [
 ]
 
 [tool.tox.gh.python]
+"3.15" = ["3.15"]
 "3.14" = ["3.14", "lint", "typing"]
 "3.13" = ["3.13"]
 "3.12" = ["3.12"]