diff --git a/lake-manifest.json b/lake-manifest.json
index be14d92e..4e5de72d 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "9d581dfff2e41de989072ea63abf3daf69311520",
+   "rev": "88126f75a3ddb644aad4808bd1381ee4e3242c62",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "v4.36.0-rc2",
+   "inputRev": "88126f75a3ddb644aad4808bd1381ee4e3242c62",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover/verso",
diff --git a/lakefile.toml b/lakefile.toml
index 366fbf69..0ae237e0 100644
--- a/lakefile.toml
+++ b/lakefile.toml
@@ -17,7 +17,7 @@ rev = "v4.36.0-rc2"
 [[require]]
 name = "mathlib"
 scope = "leanprover-community"
-rev = "v4.36.0-rc2"
+rev = "88126f75a3ddb644aad4808bd1381ee4e3242c62"
 
 [[lean_lib]]
 name = "LeanMachineLearning"