diff --git a/lake-manifest.json b/lake-manifest.json
index e57976c..4f0b0b5 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -1,25 +1,23 @@
-{"version": "1.1.0",
+{"version": "1.0.0",
  "packagesDir": ".lake/packages",
  "packages":
- [{"url": "https://github.com/leanprover-community/batteries.git",
+ [{"url": "https://github.com/leanprover/lean4-cli.git",
    "type": "git",
    "subDir": null,
-   "scope": "",
-   "rev": "c016aa9938c4cedc9b7066099f99bcae1b1af625",
-   "name": "batteries",
+   "rev": "2cf1030dc2ae6b3632c84a09350b675ef3e347d0",
+   "name": "Cli",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
    "inherited": false,
    "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover/lean4-cli.git",
+  {"url": "https://github.com/leanprover-community/batteries.git",
    "type": "git",
    "subDir": null,
-   "scope": "",
-   "rev": "0c8ea32a15a4f74143e4e1e107ba2c412adb90fd",
-   "name": "Cli",
+   "rev": "a7fd140a94bbbfa40cf10839227bbb9e8492be2d",
+   "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
    "inherited": false,
-   "configFile": "lakefile.toml"}],
+   "configFile": "lakefile.lean"}],
  "name": "leaff",
  "lakeDir": ".lake"}
diff --git a/lean-toolchain b/lean-toolchain
index 3450f2d..1e6f28e 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.15.0-rc1
\ No newline at end of file
+leanprover/lean4:v4.11.0-rc3
\ No newline at end of file