diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index c9b8a54..4bfdb9f 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,6 +3,7 @@
     "build": {
         "dockerfile": "Containerfile"
     },
+    "postStartCommand": "git submodule update --init",
 
     "customizations": {
         "vscode": {