diff --git a/lake-manifest.json b/lake-manifest.json
index 65a5882..ff2b256 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -1,95 +1,95 @@
 {"version": "1.1.0",
  "packagesDir": ".lake/packages",
  "packages":
- [{"url": "https://github.com/leanprover-community/batteries",
+ [{"url": "https://github.com/leanprover-community/mathlib4.git",
+   "type": "git",
+   "subDir": null,
+   "scope": "",
+   "rev": "6581d46be3ac8d9cbf55ad0cbbfcaacf5e16081f",
+   "name": "mathlib",
+   "manifestFile": "lake-manifest.json",
+   "inputRev": null,
+   "inherited": false,
+   "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/plausible",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "0dc51ac7947ff6aa2c16bcffb64c46c7149d1276",
-   "name": "batteries",
+   "rev": "8e5cb8d424df462f84997dd68af6f40e347c3e35",
+   "name": "plausible",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "v4.15.0-rc1",
    "inherited": true,
    "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover-community/quote4",
+  {"url": "https://github.com/leanprover-community/LeanSearchClient",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "303b23fbcea94ac4f96e590c1cad6618fd4f5f41",
-   "name": "Qq",
+   "rev": "d7caecce0d0f003fd5e9cce9a61f1dd6ba83142b",
+   "name": "LeanSearchClient",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "master",
+   "inputRev": "main",
    "inherited": true,
-   "configFile": "lakefile.lean"},
-  {"url": "https://github.com/leanprover-community/aesop",
+   "configFile": "lakefile.toml"},
+  {"url": "https://github.com/leanprover-community/import-graph",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "de91b59101763419997026c35a41432ac8691f15",
-   "name": "aesop",
+   "rev": "ed3b856bd8893ade75cafe13e8544d4c2660f377",
+   "name": "importGraph",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "master",
+   "inputRev": "v4.15.0-rc1",
    "inherited": true,
    "configFile": "lakefile.toml"},
   {"url": "https://github.com/leanprover-community/ProofWidgets4",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "1383e72b40dd62a566896a6e348ffe868801b172",
+   "rev": "2b000e02d50394af68cfb4770a291113d94801b5",
    "name": "proofwidgets",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v0.0.46",
+   "inputRev": "v0.0.48",
    "inherited": true,
    "configFile": "lakefile.lean"},
-  {"url": "https://github.com/leanprover/lean4-cli",
+  {"url": "https://github.com/leanprover-community/aesop",
    "type": "git",
    "subDir": null,
-   "scope": "leanprover",
-   "rev": "726b3c9ad13acca724d4651f14afc4804a7b0e4d",
-   "name": "Cli",
+   "scope": "leanprover-community",
+   "rev": "43bcb1964528411e47bfa4edd0c87d1face1fce4",
+   "name": "aesop",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "master",
    "inherited": true,
    "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover-community/import-graph",
+  {"url": "https://github.com/leanprover-community/quote4",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "119b022b3ea88ec810a677888528e50f8144a26e",
-   "name": "importGraph",
+   "rev": "ad942fdf0b15c38bface6acbb01d63855a2519ac",
+   "name": "Qq",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "main",
+   "inputRev": "v4.14.0",
    "inherited": true,
-   "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover-community/LeanSearchClient",
+   "configFile": "lakefile.lean"},
+  {"url": "https://github.com/leanprover-community/batteries",
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "d7caecce0d0f003fd5e9cce9a61f1dd6ba83142b",
-   "name": "LeanSearchClient",
+   "rev": "c016aa9938c4cedc9b7066099f99bcae1b1af625",
+   "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
    "inherited": true,
    "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover-community/plausible",
+  {"url": "https://github.com/leanprover/lean4-cli",
    "type": "git",
    "subDir": null,
-   "scope": "leanprover-community",
-   "rev": "42dc02bdbc5d0c2f395718462a76c3d87318f7fa",
-   "name": "plausible",
+   "scope": "leanprover",
+   "rev": "0c8ea32a15a4f74143e4e1e107ba2c412adb90fd",
+   "name": "Cli",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
    "inherited": true,
-   "configFile": "lakefile.toml"},
-  {"url": "https://github.com/leanprover-community/mathlib4.git",
-   "type": "git",
-   "subDir": null,
-   "scope": "",
-   "rev": "f28fa7213f2fe9065a3a12f88d256ea7dd006d7e",
-   "name": "mathlib",
-   "manifestFile": "lake-manifest.json",
-   "inputRev": null,
-   "inherited": false,
-   "configFile": "lakefile.lean"}],
+   "configFile": "lakefile.toml"}],
  "name": "Project",
  "lakeDir": ".lake"}
diff --git a/lean-toolchain b/lean-toolchain
index 57a4710..cf25a98 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.14.0-rc2
+leanprover/lean4:v4.15.0-rc1