diff --git a/pyproject.toml b/pyproject.toml
index c53e7d5..e03fd5c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ classifiers = [
 ]
 
 dependencies = [
-    "sqlglot>=28.0.0",
+    "sqlglot>=28.0.0,<31.0.0",
     "graphviz>=0.20.0",
     "jinja2>=3.0.0",
     "typer>=0.12.0",
diff --git a/src/clgraph/column_extractor.py b/src/clgraph/column_extractor.py
index 7a04d4f..c0c0e00 100644
--- a/src/clgraph/column_extractor.py
+++ b/src/clgraph/column_extractor.py
@@ -369,7 +369,7 @@ def extract_columns_from_expr(expr_str: str, default_table: str) -> List[Tuple[s
     """
     result: List[Tuple[str, str]] = []
     try:
-        parsed = sqlglot.parse_one(expr_str, into=exp.Expression)
+        parsed = sqlglot.parse_one(expr_str)
         for col in parsed.find_all(exp.Column):
             table_ref = default_table
             if hasattr(col, "table") and col.table:
diff --git a/uv.lock b/uv.lock
index c971624..8b85d0c 100644
--- a/uv.lock
+++ b/uv.lock
@@ -901,7 +901,7 @@ requires-dist = [
     { name = "pytest-cov", marker = "extra == 'dev'", specifier = ">=4.0.0" },
     { name = "rich", specifier = ">=13.0.0" },
     { name = "ruff", marker = "extra == 'dev'", specifier = ">=0.6.0" },
-    { name = "sqlglot", specifier = ">=28.0.0" },
+    { name = "sqlglot", specifier = ">=28.0.0,<31.0.0" },
     { name = "streamlit", marker = "extra == 'examples'", specifier = ">=1.28.0" },
     { name = "twine", marker = "extra == 'build'", specifier = ">=4.0.0" },
     { name = "ty", marker = "extra == 'dev'", specifier = ">=0.0.1a0" },
@@ -5140,11 +5140,11 @@ wheels = [
 
 [[package]]
 name = "sqlglot"
-version = "28.5.0"
+version = "30.13.0"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/bf/8c/a4d24b6103305467506c1dea9c3ca8dc92773a91bae246c2517c256a0cf9/sqlglot-28.5.0.tar.gz", hash = "sha256:b3213b3e867dcc306074f1c90480aeee89a0e635cf0dfe70eb4a3af7b61972e6", size = 5652688, upload-time = "2025-12-17T23:38:00.121Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/bf/62/6d5bd3169478b7f09e08ab3e50175d486a9e7f3a419b88fc9280ba564ab1/sqlglot-30.13.0.tar.gz", hash = "sha256:f0a6eb79de2fd6efe2689f8cf197caa4f08bfe77c7880315616fa4420b8ba2bf", size = 5932385, upload-time = "2026-07-20T20:16:54.873Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/ec/f7/6a7effd2526f64bcb0d2264c0dbebc7f8508add3f2c0748540d1448a24a3/sqlglot-28.5.0-py3-none-any.whl", hash = "sha256:5798bfdb6e9bc36c964e6c64d7222624d98b2631cc20f44628a82eba7cf7b4bf", size = 561086, upload-time = "2025-12-17T23:37:57.972Z" },
+    { url = "https://files.pythonhosted.org/packages/f2/2f/2076eca54f6a8ed1c86301bdb4bb2ae4181b0c1c4dbc041062ca997dc1b2/sqlglot-30.13.0-py3-none-any.whl", hash = "sha256:08f87ff7b052246d61b731628c8c2db0bc91f2c9e69f5ba68a1d160a9f5b49b1", size = 719120, upload-time = "2026-07-20T20:16:53.248Z" },
 ]
 
 [[package]]