From 89dd861e6f80d8784abd2e9ba0a26442402ee0a3 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Wed, 26 Aug 2026 06:13:27 +0000
Subject: [PATCH] chore: bump mathlib to 8819c75: feat: `withDensity` of
 compositions of kernels and measures (#41192) (2026-08-25)

---
 lake-manifest.json | 4 ++--
 lakefile.toml      | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lake-manifest.json b/lake-manifest.json
index 2eb557e1..51b5b6bb 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -5,10 +5,10 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "cf65d43b4f5e1a79482e8c488d121853b9d7ca05",
+   "rev": "8819c75f772c612aa44445c09aca75b9ce667209",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
-   "inputRev": "cf65d43b4f5e1a79482e8c488d121853b9d7ca05",
+   "inputRev": "8819c75f772c612aa44445c09aca75b9ce667209",
    "inherited": false,
    "configFile": "lakefile.lean"},
   {"url": "https://github.com/leanprover/verso",
diff --git a/lakefile.toml b/lakefile.toml
index be4eda1d..b9568a99 100644
--- a/lakefile.toml
+++ b/lakefile.toml
@@ -17,7 +17,7 @@ rev = "v4.33.0"
 [[require]]
 name = "mathlib"
 scope = "leanprover-community"
-rev = "cf65d43b4f5e1a79482e8c488d121853b9d7ca05"
+rev = "8819c75f772c612aa44445c09aca75b9ce667209"
 
 [[lean_lib]]
 name = "LeanMachineLearning"