diff --git a/apps/mdc-ng/1.20.12/.env.sample b/apps/mdc-ng/1.21.1/.env.sample
similarity index 100%
rename from apps/mdc-ng/1.20.12/.env.sample
rename to apps/mdc-ng/1.21.1/.env.sample
diff --git a/apps/mdc-ng/1.20.12/data.yml b/apps/mdc-ng/1.21.1/data.yml
similarity index 100%
rename from apps/mdc-ng/1.20.12/data.yml
rename to apps/mdc-ng/1.21.1/data.yml
diff --git a/apps/mdc-ng/1.20.12/docker-compose.yml b/apps/mdc-ng/1.21.1/docker-compose.yml
similarity index 93%
rename from apps/mdc-ng/1.20.12/docker-compose.yml
rename to apps/mdc-ng/1.21.1/docker-compose.yml
index 3839f0902..527e3d8f3 100644
--- a/apps/mdc-ng/1.20.12/docker-compose.yml
+++ b/apps/mdc-ng/1.21.1/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   mdc-ng:
-    image: "mdcng/mdc:1.20.12"
+    image: "mdcng/mdc:1.21.1"
     container_name: ${CONTAINER_NAME}
     restart: always
     networks: