diff --git a/DocGen4/Output/SourceLinker.lean b/DocGen4/Output/SourceLinker.lean
index 30c0657..2678f8e 100644
--- a/DocGen4/Output/SourceLinker.lean
+++ b/DocGen4/Output/SourceLinker.lean
@@ -64,7 +64,7 @@ def sourceLinker (ws : Lake.Workspace) : IO (Name → Option DeclarationRange 
   let manifest ← Lake.Manifest.loadOrEmpty ws.root.manifestFile
       |>.run (Lake.MonadLog.eio .normal)
       |>.toIO (λ _ => IO.userError "Failed to load lake manifest")
-  for pkg in manifest.toArray do
+  for pkg in manifest.entryArray do
     if let  .git _ url rev .. := pkg then
       gitMap := gitMap.insert pkg.name (getGithubBaseUrl url, rev)
 
diff --git a/lake-manifest.json b/lake-manifest.json
index b546371..c8fda0d 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -1,6 +1,19 @@
-{"version": 3,
+{"version": 4,
+ "packagesDir": "./lake-packages",
  "packages":
  [{"git":
+   {"url": "https://github.com/xubaiw/CMark.lean",
+    "subDir?": null,
+    "rev": "2cc7cdeef67184f84db6731450e4c2b258c28fe8",
+    "name": "CMark",
+    "inputRev?": "main"}},
+  {"git":
+   {"url": "https://github.com/leanprover/lake",
+    "subDir?": null,
+    "rev": "235383015cdcb0082777b0347b84dba01843c79c",
+    "name": "lake",
+    "inputRev?": "master"}},
+  {"git":
    {"url": "https://github.com/mhuisi/lean4-cli",
     "subDir?": null,
     "rev": "5a858c32963b6b19be0d477a30a1f4b6c120be7e",
@@ -17,16 +30,4 @@
     "subDir?": null,
     "rev": "6dd6ae3a3839c8350a91876b090eda85cf538d1d",
     "name": "Unicode",
-    "inputRev?": "main"}},
-  {"git":
-   {"url": "https://github.com/leanprover/lake",
-    "subDir?": null,
-    "rev": "051cf403f12da80a44802810d9098f2bbed61d93",
-    "name": "lake",
-    "inputRev?": "master"}},
-  {"git":
-   {"url": "https://github.com/xubaiw/CMark.lean",
-    "subDir?": null,
-    "rev": "2cc7cdeef67184f84db6731450e4c2b258c28fe8",
-    "name": "CMark",
     "inputRev?": "main"}}]}
diff --git a/lakefile.lean b/lakefile.lean
index 5aa26df..9a8b32f 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -77,7 +77,8 @@ library_facet docs (lib) : FilePath := do
   else
     error "wrong package"
 
-  let moduleJobs ← BuildJob.mixArray (α := FilePath) <| ← lib.recBuildLocalModules #[`docs]
+  let mods ← lib.modules.fetch
+  let moduleJobs ← BuildJob.mixArray <| ← mods.mapM (fetch <| ·.facet `docs)
   -- Shared with DocGen4.Output
   let basePath := (←getWorkspace).root.buildDir / "doc"
   let dataFile := basePath / "declarations" / "declaration-data.bmp"
diff --git a/lean-toolchain b/lean-toolchain
index a287eeb..5ca06ea 100644
--- a/lean-toolchain
+++ b/lean-toolchain
@@ -1 +1 @@
-leanprover/lean4:nightly-2022-11-30
+leanprover/lean4:nightly-2022-12-03