diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 028aa035..5fe053e2 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -35,7 +35,7 @@ jobs:
           container_id=$(docker run -d -p 8888:8888 -e JUPYTER_TOKEN=secret jupyter-remote-desktop-proxy)
           docker exec $container_id vncserver --help
 
-          sleep 10
+          sleep 15
           curl 'http://localhost:8888/desktop/?token=secret' | grep 'Jupyter Remote Desktop Proxy'
           # Test if the built JS file is present in the image
           curl 'http://localhost:8888/desktop/dist/viewer.js?token=secret' > /dev/null