diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index e776ae09..24c37725 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -15,14 +15,14 @@ jobs:
     matrix:
       Python27:
         python.version: '2.7'
-      Python35:
-        python.version: '3.5'
       Python36:
         python.version: '3.6'
       Python37:
         python.version: '3.7'
       Python38:
         python.version: '3.8'
+      Python39:
+        python.version: '3.9'
     maxParallel: 5
 
   steps:
diff --git a/eol.py b/eol.py
index 7c46aa4d..5162ab19 100644
--- a/eol.py
+++ b/eol.py
@@ -28,6 +28,7 @@ def date(string, fmt='%Y-%m-%d'):
 # https://devguide.python.org/
 # https://devguide.python.org/devcycle/#devcycle
 PYTHON_EOL = {
+    (3, 9): date('2025-10-05'),
     (3, 8): date('2024-10-14'),
     (3, 7): date('2023-06-27'),
     (3, 6): date('2021-12-23'),