diff --git a/pyproject.toml b/pyproject.toml
index 96587614..fdfdf866 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -99,7 +99,7 @@ mcp = [
 code = [
     "tree-sitter>=0.23; python_version >= '3.10'",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.21.0; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.22.1; 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).
@@ -147,7 +147,7 @@ all = [
     "cryptography>=50.0.0; python_version >= '3.10'",
     "tree-sitter>=0.23; python_version >= '3.10'",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.21.0; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.22.1; python_version >= '3.10'",
     "pypdf>=6.15.0",
     "Pillow>=12.3.0; python_version >= '3.10'",
     "pytesseract>=0.3.10; python_version >= '3.10'",
@@ -192,7 +192,7 @@ test = [
     "cryptography>=50.0.0; python_version >= '3.10'",
     "tree-sitter>=0.23; python_version >= '3.10'",
     "tree-sitter-language-pack==0.9.0; python_version < '3.10'",
-    "tree-sitter-language-pack==1.21.0; python_version >= '3.10'",
+    "tree-sitter-language-pack==1.22.1; python_version >= '3.10'",
     "pypdf>=6.15.0",
     "Pillow>=12.3.0; python_version >= '3.10'",
     "pytesseract>=0.3.10; python_version >= '3.10'",