diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 58dab42..62b8651 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -13,7 +13,9 @@
   "overrideCommand": true,
   "onCreateCommand": {
     "npm_install": "(cd ~/lean4game && npm install)",
-    "lake_build": "(cd ~/game && lake update -R && lake build"
+    // BUG: Apparently `&& lake exe cache get` was needed here because the update hook was broken.
+    // should been fixed in https://github.com/leanprover-community/mathlib4/pull/8755
+    "lake_build": "(cd ~/game && lake update -R && lake exe cache get && lake build)"
   },
   "postStartCommand": "cd ~/lean4game && export VITE_LEAN4GAME_SINGLE=true && npm start",
   "customizations": {
diff --git a/lake-manifest.json b/lake-manifest.json
index 1401dbe..3c7f598 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -1,24 +1,24 @@
 {"version": 7,
  "packagesDir": ".lake/packages",
  "packages":
- [{"url": "https://github.com/leanprover-community/lean4game.git",
-   "type": "git",
-   "subDir": "server",
-   "rev": "241ef4b67a5c95e33a4101769bb34ae45a66b82c",
-   "name": "GameServer",
-   "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.3.0-rc2",
-   "inherited": false,
-   "configFile": "lakefile.lean"},
-  {"url": "https://github.com/leanprover/std4",
+ [{"url": "https://github.com/leanprover/std4.git",
    "type": "git",
    "subDir": null,
    "rev": "a652e09bd81bcb43ea132d64ecc16580b0c7fa50",
    "name": "std",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "v4.3.0-rc2",
    "inherited": true,
    "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/lean4game.git",
+   "type": "git",
+   "subDir": "server",
+   "rev": "622e9d389768e8abb5b3103a65d07165587a27ad",
+   "name": "GameServer",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": "v4.3.0-rc2",
+   "inherited": false,
+   "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover-community/quote4",
    "type": "git",
    "subDir": null,