diff --git a/mysql/select_statement.go b/mysql/select_statement.go
index 8ebab03..ffb8054 100644
--- a/mysql/select_statement.go
+++ b/mysql/select_statement.go
@@ -43,7 +43,7 @@ type SelectStatement interface {
 	DISTINCT() SelectStatement
 	FROM(tables ...ReadableTable) SelectStatement
 	WHERE(expression BoolExpression) SelectStatement
-	GROUP_BY(groupByClauses ...jet.GroupByClause) SelectStatement
+	GROUP_BY(groupByClauses ...GroupByClause) SelectStatement
 	HAVING(boolExpression BoolExpression) SelectStatement
 	WINDOW(name string) windowExpand
 	ORDER_BY(orderByClauses ...OrderByClause) SelectStatement
@@ -118,7 +118,7 @@ func (s *selectStatementImpl) WHERE(condition BoolExpression) SelectStatement {
 	return s
 }
 
-func (s *selectStatementImpl) GROUP_BY(groupByClauses ...jet.GroupByClause) SelectStatement {
+func (s *selectStatementImpl) GROUP_BY(groupByClauses ...GroupByClause) SelectStatement {
 	s.GroupBy.List = groupByClauses
 	return s
 }
diff --git a/mysql/types.go b/mysql/types.go
index 8c6608f..c82962f 100644
--- a/mysql/types.go
+++ b/mysql/types.go
@@ -20,5 +20,8 @@ type PrintableStatement = jet.PrintableStatement
 // OrderByClause is the combination of an expression and the wanted ordering to use as input for ORDER BY.
 type OrderByClause = jet.OrderByClause
 
+// GroupByClause interface to use as input for GROUP_BY
+type GroupByClause = jet.GroupByClause
+
 // SetLogger sets automatic statement logging
 var SetLogger = jet.SetLoggerFunc
diff --git a/postgres/select_statement.go b/postgres/select_statement.go
index 516ae25..8fb9cb6 100644
--- a/postgres/select_statement.go
+++ b/postgres/select_statement.go
@@ -1,8 +1,9 @@
 package postgres
 
 import (
-	"github.com/go-jet/jet/v2/internal/jet"
 	"math"
+
+	"github.com/go-jet/jet/v2/internal/jet"
 )
 
 // RowLock is interface for SELECT statement row lock types
@@ -46,7 +47,7 @@ type SelectStatement interface {
 	DISTINCT() SelectStatement
 	FROM(tables ...ReadableTable) SelectStatement
 	WHERE(expression BoolExpression) SelectStatement
-	GROUP_BY(groupByClauses ...jet.GroupByClause) SelectStatement
+	GROUP_BY(groupByClauses ...GroupByClause) SelectStatement
 	HAVING(boolExpression BoolExpression) SelectStatement
 	WINDOW(name string) windowExpand
 	ORDER_BY(orderByClauses ...OrderByClause) SelectStatement
@@ -121,7 +122,7 @@ func (s *selectStatementImpl) WHERE(condition BoolExpression) SelectStatement {
 	return s
 }
 
-func (s *selectStatementImpl) GROUP_BY(groupByClauses ...jet.GroupByClause) SelectStatement {
+func (s *selectStatementImpl) GROUP_BY(groupByClauses ...GroupByClause) SelectStatement {
 	s.GroupBy.List = groupByClauses
 	return s
 }
diff --git a/postgres/types.go b/postgres/types.go
index 05354b7..6fed21b 100644
--- a/postgres/types.go
+++ b/postgres/types.go
@@ -20,5 +20,8 @@ type PrintableStatement = jet.PrintableStatement
 // OrderByClause is the combination of an expression and the wanted ordering to use as input for ORDER BY.
 type OrderByClause = jet.OrderByClause
 
+// GroupByClause interface to use as input for GROUP_BY
+type GroupByClause = jet.GroupByClause
+
 // SetLogger sets automatic statement logging
 var SetLogger = jet.SetLoggerFunc