diff --git a/lake-manifest.json b/lake-manifest.json
index 14f24292..5d3c1825 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -25,7 +25,7 @@
    "type": "git",
    "subDir": null,
    "scope": "leanprover-community",
-   "rev": "ad85095b6112bb3a7ad6c068fd0844d1e35706f2",
+   "rev": "e291aa4de57079b3d2199b9eb7b4b00922b85a7c",
    "name": "aesop",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",
@@ -65,7 +65,7 @@
    "type": "git",
    "subDir": null,
    "scope": "",
-   "rev": "8525fd67f774b5f5635312e7462858d15d512b23",
+   "rev": "9a8bfbea2896184a85789cfbbb345ba5c1609fd5",
    "name": "mathlib",
    "manifestFile": "lake-manifest.json",
    "inputRev": "master",