diff --git a/lake-manifest.json b/lake-manifest.json
index 559cca79..4d508d85 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -35,7 +35,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "bf12ff6041cbab6eba6b54d9467baed807bb2bfd",
+   "rev": "4756e0fc48acce0cc808df0ad149de5973240df6",
    "name": "batteries",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -55,7 +55,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "50aaaf78b7db5bd635c19c660d59ed31b9bc9b5a",
+   "rev": "28fa80508edc97d96ed6342c9a771a67189e0baa",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -75,7 +75,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "fb7841a6f4fb389ec0e47dd4677844d49906af3c",
+   "rev": "e285a7ade149c551c17a4b24f127e1ef782e4bb1",
    "name": "importGraph",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -85,7 +85,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "2ba60fa2c384a94735454db11a2d523612eaabff",
+   "rev": "4261c7c9290da3471548a327a4fa9387e9fdd684",
    "name": "LeanSearchClient",
    "manifestFile": "lake-manifest.json",
    "inputRev": "main",
@@ -95,7 +95,7 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "301f54abf16c4d7706fb65a94ece16e384d6622e",
+   "rev": "2cb73c7a2936f65cffe50de51138795da5df8939",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
diff --git a/lean-toolchain b/lean-toolchain
index 98556ba0..89985206 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.12.0-rc1
+leanprover/lean4:v4.12.0