diff --git a/DocGen4/Output/DocString.lean b/DocGen4/Output/DocString.lean
index 0f1468e..a769148 100644
--- a/DocGen4/Output/DocString.lean
+++ b/DocGen4/Output/DocString.lean
@@ -1,7 +1,7 @@
 import CMark
 import DocGen4.Output.Template
 import Lean.Data.Parsec
-import UnicodeData
+import UnicodeBasic
 
 open Lean Xml Parser Parsec DocGen4.Process
 
diff --git a/lake-manifest.json b/lake-manifest.json
index 9c8bded..26301a3 100644
--- a/lake-manifest.json
+++ b/lake-manifest.json
@@ -26,8 +26,8 @@
     "name": "leanInk",
     "inputRev?": "doc-gen"}},
   {"git":
-   {"url": "https://github.com/fgdorais/UnicodeData",
+   {"url": "https://github.com/fgdorais/lean4-unicode-basic",
     "subDir?": null,
-    "rev": "fb9efcfc2b832c2aff45a220779f35b79f62da11",
-    "name": "UnicodeData",
+    "rev": "4653d015b3ebd3d7980886a4daa75722d1d4e518",
+    "name": "UnicodeBasic",
     "inputRev?": "main"}}]}
diff --git a/lakefile.lean b/lakefile.lean
index a718390..d1d53d2 100644
--- a/lakefile.lean
+++ b/lakefile.lean
@@ -14,8 +14,8 @@ lean_exe «doc-gen4» {
 require CMark from git
   "https://github.com/xubaiw/CMark.lean" @ "main"
 
-require UnicodeData from git
-  "https://github.com/fgdorais/UnicodeData" @ "main"
+require UnicodeBasic from git
+  "https://github.com/fgdorais/lean4-unicode-basic" @ "main"
 
 require Cli from git
   "https://github.com/mhuisi/lean4-cli" @ "nightly"