diff --git a/scripts/azure-pipelines/windows-unstable/job.yml b/scripts/azure-pipelines/windows-unstable/job.yml
index a4b09cd6e5..59f68d3a97 100644
--- a/scripts/azure-pipelines/windows-unstable/job.yml
+++ b/scripts/azure-pipelines/windows-unstable/job.yml
@@ -8,7 +8,7 @@ jobs:
     name: $(unstable-pool)
   workspace:
     clean: resources
-  timeoutInMinutes: 2880 # 2 days
+  timeoutInMinutes: 5760 # 4 days
   variables:
   - name: WORKING_ROOT
     value: D:\