diff --git a/.github/workflows/ubuntu_build.yml b/.github/workflows/ubuntu_build.yml
index ded2adfe..951666c6 100644
--- a/.github/workflows/ubuntu_build.yml
+++ b/.github/workflows/ubuntu_build.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     services:
 
diff --git a/appveyor.yml b/appveyor.yml
index 39868f05..8053ce10 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -46,6 +46,8 @@ environment:
   matrix:
     # all the Python versions to be tested, both 32-bit and 64-bit
     # ref: https://www.appveyor.com/docs/windows-images-software/#python
+    - PYTHON_HOME: "C:\\Python313-x64"
+    - PYTHON_HOME: "C:\\Python313"
     - PYTHON_HOME: "C:\\Python312-x64"
     - PYTHON_HOME: "C:\\Python312"
     - PYTHON_HOME: "C:\\Python311-x64"