diff --git a/.ci/windows_ci.ps1 b/.ci/windows_ci.ps1
index e7a570313..c55cc6f1c 100644
--- a/.ci/windows_ci.ps1
+++ b/.ci/windows_ci.ps1
@@ -106,7 +106,7 @@ function Install-kivy-sdist {
 }
 
 function Test-kivy {
-    python -m pytest --timeout=300 --cov=kivy --cov-report term --cov-branch "$(pwd)/kivy/tests"
+    python -m pytest --timeout=400 --cov=kivy --cov-report term --cov-branch "$(pwd)/kivy/tests"
 }
 
 function Test-kivy-benchmark {
@@ -120,7 +120,7 @@ function Test-kivy-installed {
     cd "$test_path"
 
     echo "[run]`nplugins = kivy.tools.coverage`n" > .coveragerc
-    raise-only-error -Func {python -m pytest --timeout=300 .}
+    raise-only-error -Func {python -m pytest --timeout=400 .}
 }
 
 function Upload-artifacts-to-pypi {