diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 361f1a0dbb..7dcfdcb620 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
 # [Choice] Node.js version: 16, 14
-ARG VARIANT=14-buster
+ARG VARIANT=14-bullseye
 FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.
diff --git a/.devcontainer/docker-compose.yml b/.devcontainer/docker-compose.yml
index 6127d6e4ba..b6e8f1c27e 100644
--- a/.devcontainer/docker-compose.yml
+++ b/.devcontainer/docker-compose.yml
@@ -6,7 +6,7 @@ services:
       context: ..
       dockerfile: .devcontainer/Dockerfile
       args:
-        VARIANT: 14-buster
+        VARIANT: 14-bullseye
     environment:
       - CMD_DB_URL=postgres://codimd:codimd@localhost/codimd
       - CMD_USECDN=false