diff --git a/siyuan/3.1.20/data.yml b/siyuan/3.1.21/data.yml
similarity index 100%
rename from siyuan/3.1.20/data.yml
rename to siyuan/3.1.21/data.yml
diff --git a/siyuan/3.1.20/data/.gitkeep b/siyuan/3.1.21/data/.gitkeep
similarity index 100%
rename from siyuan/3.1.20/data/.gitkeep
rename to siyuan/3.1.21/data/.gitkeep
diff --git a/siyuan/3.1.20/docker-compose.yml b/siyuan/3.1.21/docker-compose.yml
similarity index 93%
rename from siyuan/3.1.20/docker-compose.yml
rename to siyuan/3.1.21/docker-compose.yml
index 42d693f36..46de035a7 100644
--- a/siyuan/3.1.20/docker-compose.yml
+++ b/siyuan/3.1.21/docker-compose.yml
@@ -1,6 +1,6 @@
 services:
   siyuan:
-    image: b3log/siyuan:v3.1.20
+    image: b3log/siyuan:v3.1.21
     container_name: ${CONTAINER_NAME}
     restart: unless-stopped
     ports:
diff --git a/siyuan/3.1.20/scripts/init.sh b/siyuan/3.1.21/scripts/init.sh
similarity index 100%
rename from siyuan/3.1.20/scripts/init.sh
rename to siyuan/3.1.21/scripts/init.sh