diff --git a/lake-manifest.json b/lake-manifest.json
index d8dc164..15cc687 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -1,9 +1,10 @@
-{"version": "1.0.0",
+{"version": "1.1.0",
  "packagesDir": ".lake/packages",
  "packages":
  [{"url": "https://github.com/Seasawher/mk-exercise",
    "type": "git",
    "subDir": null,
+   "scope": "",
    "rev": "defbb79bef94ce9341084b9ec9f64e5541fa39c4",
    "name": "«mk-exercise»",
    "manifestFile": "lake-manifest.json",
@@ -13,6 +14,7 @@
   {"url": "https://github.com/Seasawher/mdgen",
    "type": "git",
    "subDir": null,
+   "scope": "",
    "rev": "1794832a8e98af8e2e69f1336adbb63d8a3a26ad",
    "name": "mdgen",
    "manifestFile": "lake-manifest.json",
diff --git a/lean-toolchain b/lean-toolchain
index acd5c69..7f0ea50 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:v4.9.1
+leanprover/lean4:v4.10.0