diff --git a/apps/windows/3.19/.env.sample b/apps/windows/3.21/.env.sample
similarity index 100%
rename from apps/windows/3.19/.env.sample
rename to apps/windows/3.21/.env.sample
diff --git a/apps/windows/3.19/data.yml b/apps/windows/3.21/data.yml
similarity index 100%
rename from apps/windows/3.19/data.yml
rename to apps/windows/3.21/data.yml
diff --git a/apps/windows/3.19/docker-compose.yml b/apps/windows/3.21/docker-compose.yml
similarity index 95%
rename from apps/windows/3.19/docker-compose.yml
rename to apps/windows/3.21/docker-compose.yml
index b6432f05..521dc96c 100644
--- a/apps/windows/3.19/docker-compose.yml
+++ b/apps/windows/3.21/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   windows:
-    image: "dockurr/windows:3.19"
+    image: "dockurr/windows:3.21"
     container_name: ${CONTAINER_NAME}
     restart: ${RESTART_POLICY}
     networks: