diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index eed605cd32b6..fff14a1819d6 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -55,6 +55,12 @@ stages:
             Windows_py311:
               vmImage: 'windows-latest'
               python.version: '3.11'
+            Windows_py312:
+              vmImage: 'windows-latest'
+              python.version: '3.12'
+            Windows_py313:
+              vmImage: 'windows-latest'
+              python.version: '3.13'
           maxParallel: 4
         pool:
           vmImage: '$(vmImage)'
diff --git a/lib/matplotlib/tests/test_animation.py b/lib/matplotlib/tests/test_animation.py
index 6a9f31733fca..a2b35f802c78 100644
--- a/lib/matplotlib/tests/test_animation.py
+++ b/lib/matplotlib/tests/test_animation.py
@@ -520,7 +520,7 @@ def test_disable_cache_warning(anim):
 
 def test_movie_writer_invalid_path(anim):
     if sys.platform == "win32":
-        match_str = r"\[WinError 3] .*'\\\\foo\\\\bar\\\\aardvark'"
+        match_str = r"\[WinError 3] .*\\\\foo\\\\bar\\\\aardvark'"
     else:
         match_str = r"\[Errno 2] .*'/foo"
     with pytest.raises(FileNotFoundError, match=match_str):