diff --git a/langserver/internal/source/file/analyze.go b/langserver/internal/source/file/analyze.go
index 7c478d2..223485b 100644
--- a/langserver/internal/source/file/analyze.go
+++ b/langserver/internal/source/file/analyze.go
@@ -8,7 +8,6 @@ import (
 	bq "cloud.google.com/go/bigquery"
 	"github.com/goccy/go-zetasql"
 	"github.com/goccy/go-zetasql/ast"
-	rast "github.com/goccy/go-zetasql/resolved_ast"
 	"github.com/goccy/go-zetasql/types"
 	"github.com/kitagry/bqls/langserver/internal/bigquery"
 	"github.com/kitagry/bqls/langserver/internal/lsp"
@@ -32,69 +31,29 @@ func NewAnalyzer(logger *logrus.Logger, bqClient bigquery.Client) *Analyzer {
 	}
 }
 
-func (a *Analyzer) AnalyzeStatement(rawText string, stmt ast.StatementNode, catalog types.Catalog) (*zetasql.AnalyzerOutput, error) {
+func (a *Analyzer) langOpt() (*zetasql.LanguageOptions, error) {
 	langOpt := zetasql.NewLanguageOptions()
 	langOpt.SetNameResolutionMode(zetasql.NameResolutionDefault)
 	langOpt.SetProductMode(types.ProductExternal)
-	langOpt.SetEnabledLanguageFeatures([]zetasql.LanguageFeature{
-		zetasql.FeatureAnalyticFunctions,
-		zetasql.FeatureNamedArguments,
-		zetasql.FeatureNumericType,
-		zetasql.FeatureBignumericType,
-		zetasql.FeatureV13DecimalAlias,
-		zetasql.FeatureCreateTableNotNull,
-		zetasql.FeatureParameterizedTypes,
-		zetasql.FeatureTablesample,
-		zetasql.FeatureTimestampNanos,
-		zetasql.FeatureV11HavingInAggregate,
-		zetasql.FeatureV11NullHandlingModifierInAggregate,
-		zetasql.FeatureV11NullHandlingModifierInAnalytic,
-		zetasql.FeatureV11OrderByCollate,
-		zetasql.FeatureV11SelectStarExceptReplace,
-		zetasql.FeatureV12SafeFunctionCall,
-		zetasql.FeatureJsonType,
-		zetasql.FeatureJsonArrayFunctions,
-		zetasql.FeatureJsonStrictNumberParsing,
-		zetasql.FeatureV13IsDistinct,
-		zetasql.FeatureV13FormatInCast,
-		zetasql.FeatureV13DateArithmetics,
-		zetasql.FeatureV11OrderByInAggregate,
-		zetasql.FeatureV11LimitInAggregate,
-		zetasql.FeatureV13DateTimeConstructors,
-		zetasql.FeatureV13ExtendedDateTimeSignatures,
-		zetasql.FeatureV12CivilTime,
-		zetasql.FeatureV12WeekWithWeekday,
-		zetasql.FeatureIntervalType,
-		zetasql.FeatureGroupByRollup,
-		zetasql.FeatureV13NullsFirstLastInOrderBy,
-		zetasql.FeatureV13Qualify,
-		zetasql.FeatureV13AllowDashesInTableName,
-		zetasql.FeatureGeography,
-		zetasql.FeatureV13ExtendedGeographyParsers,
-		zetasql.FeatureTemplateFunctions,
-		zetasql.FeatureV11WithOnSubquery,
-		zetasql.FeatureV13Pivot,
-		zetasql.FeatureV13Unpivot,
-		zetasql.FeatureV13WithRecursive,
-		zetasql.FeatureV13Qualify,
-	})
-	langOpt.SetSupportedStatementKinds([]rast.Kind{
-		rast.BeginStmt,
-		rast.CommitStmt,
-		rast.MergeStmt,
-		rast.QueryStmt,
-		rast.InsertStmt,
-		rast.UpdateStmt,
-		rast.DeleteStmt,
-		rast.DropStmt,
-		rast.TruncateStmt,
-		rast.CreateTableStmt,
-		rast.CreateTableAsSelectStmt,
-		rast.CreateProcedureStmt,
-		rast.CreateFunctionStmt,
-		rast.CreateTableFunctionStmt,
-		rast.CreateViewStmt,
-	})
+	langOpt.EnableMaximumLanguageFeatures()
+	langOpt.EnableLanguageFeature(zetasql.FeatureV13AllowDashesInTableName)
+	langOpt.EnableLanguageFeature(zetasql.FeatureV13Qualify)
+	langOpt.EnableLanguageFeature(zetasql.FeatureV13ScriptLabel)
+	langOpt.EnableLanguageFeature(zetasql.FeatureAnalyticFunctions)
+	langOpt.SetSupportsAllStatementKinds()
+	langOpt.EnableAllReservableKeywords(true)
+	err := langOpt.EnableReservableKeyword("QUALIFY", true)
+	if err != nil {
+		return nil, err
+	}
+	return langOpt, nil
+}
+
+func (a *Analyzer) AnalyzeStatement(rawText string, stmt ast.StatementNode, catalog types.Catalog) (*zetasql.AnalyzerOutput, error) {
+	langOpt, err := a.langOpt()
+	if err != nil {
+		return nil, err
+	}
 	opts := zetasql.NewAnalyzerOptions()
 	opts.SetLanguage(langOpt)
 	opts.SetAllowUndeclaredParameters(true)
@@ -103,7 +62,17 @@ func (a *Analyzer) AnalyzeStatement(rawText string, stmt ast.StatementNode, cata
 	return zetasql.AnalyzeStatementFromParserAST(rawText, stmt, catalog, opts)
 }
 
-func (p *Analyzer) ParseFile(uri string, src string) ParsedFile {
+func (a *Analyzer) parseScript(src string) (ast.ScriptNode, error) {
+	langOpt, err := a.langOpt()
+	if err != nil {
+		return nil, err
+	}
+	opts := zetasql.NewParserOptions()
+	opts.SetLanguageOptions(langOpt)
+	return zetasql.ParseScript(src, opts, zetasql.ErrorMessageOneLine)
+}
+
+func (a *Analyzer) ParseFile(uri string, src string) ParsedFile {
 	fixedSrc, errs, fixOffsets := fixDot(src)
 
 	var node ast.ScriptNode
@@ -111,7 +80,7 @@ func (p *Analyzer) ParseFile(uri string, src string) ParsedFile {
 	for _retry := 0; _retry < 10; _retry++ {
 		var err error
 		var fo []FixOffset
-		node, err = zetasql.ParseScript(fixedSrc, zetasql.NewParserOptions(), zetasql.ErrorMessageOneLine)
+		node, err = a.parseScript(fixedSrc)
 		if err != nil {
 			pErr := parseZetaSQLError(err)
 			if strings.Contains(pErr.Msg, "SELECT list must not be empty") {
@@ -139,14 +108,14 @@ func (p *Analyzer) ParseFile(uri string, src string) ParsedFile {
 			return nil
 		})
 
-		catalog := p.catalog.Clone()
+		catalog := a.catalog.Clone()
 		declarationMap := make(map[string]string)
 		for _, s := range stmts {
 			if s.Kind() == ast.VariableDeclaration {
 				node := s.(*ast.VariableDeclarationNode)
 				dummyValue, err := getDummyValueForDeclarationNode(node)
 				if err != nil {
-					p.logger.Debug("failed to get default value for declaration", err)
+					a.logger.Debug("failed to get default value for declaration", err)
 				}
 				list := node.VariableList().IdentifierList()
 				for _, l := range list {
@@ -157,7 +126,7 @@ func (p *Analyzer) ParseFile(uri string, src string) ParsedFile {
 
 			if s.Kind() == ast.CreateFunctionStatement {
 				node := s.(*ast.CreateFunctionStatementNode)
-				newFunc, err := p.createFunctionTypes(node, fixedSrc)
+				newFunc, err := a.createFunctionTypes(node, fixedSrc)
 				if err != nil {
 					errs = append(errs, *err)
 					continue
@@ -170,7 +139,7 @@ func (p *Analyzer) ParseFile(uri string, src string) ParsedFile {
 				catalog.AddFunctionWithName(name, newFunc)
 			}
 
-			output, err := p.AnalyzeStatement(fixedSrc, s, catalog)
+			output, err := a.AnalyzeStatement(fixedSrc, s, catalog)
 			if err == nil {
 				rnode = append(rnode, output)
 				continue
diff --git a/langserver/internal/source/file/file_test.go b/langserver/internal/source/file/file_test.go
index d16e4c3..f7abb3d 100644
--- a/langserver/internal/source/file/file_test.go
+++ b/langserver/internal/source/file/file_test.go
@@ -566,6 +566,24 @@ func TestProject_ParseFile(t *testing.T) {
 				},
 			},
 		},
+		"parse QUALIFY statement": {
+			file: "SELECT * FROM `project.dataset.table` t1\nQUALIFY RANK() OVER (PARTITION BY city ORDER BY temperature) = 1",
+			bqTableMetadataMap: map[string]*bq.TableMetadata{
+				"project.dataset.table": {
+					Schema: bq.Schema{
+						{
+							Name: "city",
+							Type: bq.StringFieldType,
+						},
+						{
+							Name: "temperature",
+							Type: bq.IntegerFieldType,
+						},
+					},
+				},
+			},
+			expectedErrs: []file.Error{},
+		},
 	}
 
 	for n, tt := range tests {