diff --git a/pyproject.toml b/pyproject.toml
index e484f732..3673fed4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ mcp = [
 code = [
     "tree-sitter>=0.23",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.13.3; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.13.5; python_version >= '3.10'",
 ]
 # Local resource extraction. Text/code/HTML/DOCX remain stdlib-only; this adds PDF
 # extraction and image OCR bindings (the Tesseract executable is installed separately).
@@ -123,7 +123,7 @@ all = [
     "cryptography>=48.0.1; python_version >= '3.10'",
     "tree-sitter>=0.23",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.13.3; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.13.5; python_version >= '3.10'",
     "pypdf>=4.0",
     "Pillow>=12.3.0; python_version >= '3.10'",
     "pytesseract>=0.3.10",
@@ -153,7 +153,7 @@ test = [
     "cryptography>=48.0.1; python_version >= '3.10'",
     "tree-sitter>=0.23",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.13.3; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.13.5; python_version >= '3.10'",
     "pypdf>=4.0",
     "Pillow>=12.3.0; python_version >= '3.10'",
     "pytesseract>=0.3.10",