diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8a53a90..19c76f4 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ["ubuntu-latest"]
+        os: ["ubuntu-22.04"]
         python-version:
           - "3.9"
           - "3.10"
@@ -28,6 +28,7 @@ jobs:
           - "3.12"
           - "3.13"
           - "3.14"
+          - "3.15"
         include:
           - os: "macos-latest"
             python-version: "3.11"
diff --git a/CHANGES.md b/CHANGES.md
index 3a04922..fa35fa3 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,8 @@
 
 ## In progress
 
+- Validated on Python 3.15
+
 ## 2026/03/10 v0.0.0
 
 - Proof-of-concept and documentation, with software tests
diff --git a/pyproject.toml b/pyproject.toml
index b1bfafb..6551135 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,6 +51,7 @@ classifiers = [
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
   "Programming Language :: Python :: 3.14",
+  "Programming Language :: Python :: 3.15",
   "Topic :: Adaptive Technologies",
   "Topic :: Communications",
   "Topic :: Database",