diff --git a/spring-data-relational/pom.xml b/spring-data-relational/pom.xml
index 7d49bf2ef..3ba39b861 100644
--- a/spring-data-relational/pom.xml
+++ b/spring-data-relational/pom.xml
@@ -20,6 +20,7 @@
 	<properties>
 		<java-module-name>spring.data.relational</java-module-name>
 		<project.root>${basedir}/..</project.root>
+		<jsqlparser>4.9</jsqlparser>
 	</properties>
 
 	<dependencies>
@@ -100,7 +101,7 @@
 		<dependency>
 			<groupId>com.github.jsqlparser</groupId>
 			<artifactId>jsqlparser</artifactId>
-			<version>4.6</version>
+			<version>${jsqlparser}</version>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AliasedPattern.java b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AliasedPattern.java
index 66b42bd02..32f5bd5d7 100644
--- a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AliasedPattern.java
+++ b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AliasedPattern.java
@@ -16,7 +16,6 @@
 
 package org.springframework.data.relational.core.sqlgeneration;
 
-import net.sf.jsqlparser.statement.select.SelectExpressionItem;
 import net.sf.jsqlparser.statement.select.SelectItem;
 
 /**
@@ -24,19 +23,14 @@ import net.sf.jsqlparser.statement.select.SelectItem;
  *
  * @param pattern for the expression to match
  * @param alias to match
- *
  * @author Jens Schauder
  */
-record AliasedPattern (SelectItemPattern pattern, String alias) implements SelectItemPattern {
+record AliasedPattern(SelectItemPattern pattern, String alias) implements SelectItemPattern {
 
 	@Override
 	public boolean matches(SelectItem selectItem) {
-
-		if (selectItem instanceof SelectExpressionItem sei) {
-			return pattern.matches(sei) && sei.getAlias() != null && sei.getAlias().getName().equals(alias);
-		}
-
-		return false;
+		return pattern.matches(selectItem) && selectItem.getAlias() != null
+				&& selectItem.getAlias().getName().equals(alias);
 	}
 
 	@Override
diff --git a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AnalyticFunctionPattern.java b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AnalyticFunctionPattern.java
index a95526521..a55d3e97a 100644
--- a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AnalyticFunctionPattern.java
+++ b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/AnalyticFunctionPattern.java
@@ -18,7 +18,6 @@ package org.springframework.data.relational.core.sqlgeneration;
 
 import net.sf.jsqlparser.expression.AnalyticExpression;
 import net.sf.jsqlparser.expression.Expression;
-import net.sf.jsqlparser.statement.select.SelectExpressionItem;
 import net.sf.jsqlparser.statement.select.SelectItem;
 
 import java.util.List;
@@ -44,19 +43,17 @@ public class AnalyticFunctionPattern extends TypedExpressionPattern<AnalyticExpr
 	@Override
 	public boolean matches(SelectItem selectItem) {
 
-		if (selectItem instanceof SelectExpressionItem sei) {
-			Expression expression = sei.getExpression();
-			if (expression instanceof AnalyticExpression analyticExpression) {
-				return matches(analyticExpression);
-			}
+		Expression expression = selectItem.getExpression();
+		if (expression instanceof AnalyticExpression analyticExpression) {
+			return matches(analyticExpression);
 		}
+
 		return false;
 	}
 
 	@Override
 	boolean matches(AnalyticExpression analyticExpression) {
-		return analyticExpression.getName().toLowerCase().equals(functionName)
-				&& partitionByMatches(analyticExpression);
+		return analyticExpression.getName().toLowerCase().equals(functionName) && partitionByMatches(analyticExpression);
 	}
 
 	private boolean partitionByMatches(AnalyticExpression analyticExpression) {
diff --git a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/LiteralPattern.java b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/LiteralPattern.java
index a190772e3..97607344c 100644
--- a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/LiteralPattern.java
+++ b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/LiteralPattern.java
@@ -17,7 +17,6 @@
 package org.springframework.data.relational.core.sqlgeneration;
 
 import net.sf.jsqlparser.expression.Expression;
-import net.sf.jsqlparser.statement.select.SelectExpressionItem;
 import net.sf.jsqlparser.statement.select.SelectItem;
 
 /**
@@ -30,7 +29,7 @@ record LiteralPattern(Object value) implements SelectItemPattern, ExpressionPatt
 
 	@Override
 	public boolean matches(SelectItem selectItem) {
-		return selectItem instanceof SelectExpressionItem sei && matches(sei.getExpression());
+		return matches(selectItem.getExpression());
 	}
 
 	@Override
diff --git a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/SqlAssert.java b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/SqlAssert.java
index 82e6d87ee..78ebd1aa5 100644
--- a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/SqlAssert.java
+++ b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/SqlAssert.java
@@ -27,8 +27,6 @@ import net.sf.jsqlparser.statement.select.OrderByElement;
 import net.sf.jsqlparser.statement.select.PlainSelect;
 import net.sf.jsqlparser.statement.select.Select;
 import net.sf.jsqlparser.statement.select.SelectItem;
-import net.sf.jsqlparser.statement.select.SpecialSubSelect;
-import net.sf.jsqlparser.statement.select.SubSelect;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -84,10 +82,11 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 		return new AnalyticFunctionPattern("count", partitionBy);
 	}
 
-	static FunctionPattern func(String name, ExpressionPattern ... params) {
+	static FunctionPattern func(String name, ExpressionPattern... params) {
 		return new FunctionPattern(name, params);
 	}
-	static FunctionPattern func(String name, String ... params) {
+
+	static FunctionPattern func(String name, String... params) {
 		return new FunctionPattern(name, Arrays.stream(params).map(p -> col(p)).collect(Collectors.toList()));
 	}
 
@@ -104,7 +103,7 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 
 	SqlAssert hasExactlyColumns(SelectItemPattern... columns) {
 
-		List<SelectItem> actualSelectItems = actual.getSelectItems();
+		List<SelectItem<?>> actualSelectItems = actual.getSelectItems();
 		List<SelectItemPattern> unmatchedPatterns = new ArrayList<>(Arrays.asList(columns));
 		List<SelectItem> unmatchedSelectItems = new ArrayList<>();
 
@@ -169,15 +168,18 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 		Expression where = actual.getWhere();
 		return new StringAssert(where == null ? "" : where.toString());
 	}
+
 	public JoinAssert hasJoin() {
 		List<Join> joins = actual.getJoins();
 
 		if (joins == null || joins.size() < 1) {
-			throw failureWithActualExpected(actual, "select with a join", "Expected %s to contain a join but it doesn't.", actual);
+			throw failureWithActualExpected(actual, "select with a join", "Expected %s to contain a join but it doesn't.",
+					actual);
 		}
 
 		return new JoinAssert(joins.get(0));
 	}
+
 	private String prepare(SelectItemPattern[] columns) {
 		return Arrays.toString(columns);
 	}
@@ -185,7 +187,7 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 	SqlAssert hasInlineViewSelectingFrom(String tableName) {
 
 		Optional<PlainSelect> matchingSelect = getSubSelects(actual)
-				.filter(ps -> (ps.getFromItem()instanceof Table t) && t.getName().equals(tableName)).findFirst();
+				.filter(ps -> (ps.getFromItem() instanceof Table t) && t.getName().equals(tableName)).findFirst();
 
 		if (matchingSelect.isEmpty()) {
 			throw failureWithActualExpected(actual, "Subselect from " + tableName,
@@ -195,13 +197,11 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 		return new SqlAssert(matchingSelect.get());
 	}
 
-
 	public SqlAssert hasInlineView() {
 		Optional<PlainSelect> matchingSelect = getSubSelects(actual).findFirst();
 
 		if (matchingSelect.isEmpty()) {
-			throw failureWithActualExpected(actual, "Subselect",
-					"%s is expected to contain a subselect", actual);
+			throw failureWithActualExpected(actual, "Subselect", "%s is expected to contain a subselect", actual);
 		}
 
 		return new SqlAssert(matchingSelect.get());
@@ -227,15 +227,8 @@ class SqlAssert extends AbstractAssert<SqlAssert, PlainSelect> {
 	}
 
 	private static Stream<PlainSelect> subSelects(FromItem fromItem) {
-		Stream<PlainSelect> fromStream;
-		if (fromItem instanceof SubSelect ss) {
-			fromStream = Stream.of((PlainSelect) ss.getSelectBody());
-		} else if (fromItem instanceof SpecialSubSelect ss) {
-			fromStream = Stream.of((PlainSelect) ss.getSubSelect().getSelectBody());
-		} else {
-			fromStream = Stream.empty();
-		}
-		return fromStream;
+
+		return fromItem instanceof Select ss ? Stream.of(ss.getPlainSelect()) : Stream.empty();
 	}
 
 	public StringAssert extractOrderBy() {
diff --git a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/TypedExpressionPattern.java b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/TypedExpressionPattern.java
index 094ab756e..8aec7059a 100644
--- a/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/TypedExpressionPattern.java
+++ b/spring-data-relational/src/test/java/org/springframework/data/relational/core/sqlgeneration/TypedExpressionPattern.java
@@ -17,7 +17,6 @@
 package org.springframework.data.relational.core.sqlgeneration;
 
 import net.sf.jsqlparser.expression.Expression;
-import net.sf.jsqlparser.statement.select.SelectExpressionItem;
 import net.sf.jsqlparser.statement.select.SelectItem;
 
 /**
@@ -33,15 +32,12 @@ abstract class TypedExpressionPattern<T> implements SelectItemPattern, Expressio
 
 		this.type = type;
 	}
+
 	@Override
 	public boolean matches(SelectItem selectItem) {
 
-		if (selectItem instanceof SelectExpressionItem sei) {
-
-			Expression expression = sei.getExpression();
-			return matches(expression);
-		}
-		return false;
+		Expression expression = selectItem.getExpression();
+		return matches(expression);
 	}
 
 	@Override