diff --git a/pyproject.toml b/pyproject.toml
index ad021bba..5b0a62f4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 # pyproject.toml
 [build-system]
 build-backend = "maturin"
-requires = [ "maturin>=1.10,<1.11" ]
+requires = [ "maturin>=1.10,<1.14" ]
 
 [project]
 name = "treemapper"
@@ -73,7 +73,7 @@ optional-dependencies.dev = [
   "pyyaml>=6.0.2,<8.0",
   "radon>=6.0,<7.0",
   "ruff>=0.4,<1.0",
-  "tiktoken==0.12.0",
+  "tiktoken==0.13.0",
   "treemapper[tree-sitter]",
   "types-pyyaml>=6.0,<7.0",
 ]