diff --git a/providers/openapi/schema/parse_xml.go b/providers/openapi/schema/parse_xml.go
index c8cfd555d..1ce49fc85 100644
--- a/providers/openapi/schema/parse_xml.go
+++ b/providers/openapi/schema/parse_xml.go
@@ -167,11 +167,11 @@ func parseValue(s string, ref *Schema) (interface{}, error) {
 	t := ref.Type
 
 	if t.IsInteger() {
-		v, err := strconv.Atoi(s)
+		val64, err := strconv.ParseInt(s, 10, 32)
 		if err != nil {
 			return nil, fmt.Errorf("parse integer failed: %v", s)
 		}
-		return v, nil
+		return val64, nil
 	}
 
 	if t.IsNumber() {
diff --git a/providers/openapi/schema/parse_xml_test.go b/providers/openapi/schema/parse_xml_test.go
index b1873820c..a87f14994 100644
--- a/providers/openapi/schema/parse_xml_test.go
+++ b/providers/openapi/schema/parse_xml_test.go
@@ -161,7 +161,7 @@ func TestUnmarshalXML(t *testing.T) {
 			test: func(t *testing.T) {
 				v, err := schema.UnmarshalXML(strings.NewReader("<year>2005</year>"), schematest.New("integer"))
 				require.NoError(t, err)
-				require.Equal(t, 2005, v)
+				require.Equal(t, int64(2005), v)
 			},
 		},
 		{
@@ -229,7 +229,7 @@ func TestUnmarshalXML(t *testing.T) {
 						),
 					))
 				require.NoError(t, err)
-				require.Equal(t, map[string]interface{}{"foo": 123, "yuh": "bar"}, v)
+				require.Equal(t, map[string]interface{}{"foo": int64(123), "yuh": "bar"}, v)
 			},
 		},
 		{
@@ -338,7 +338,7 @@ func TestUnmarshalXML(t *testing.T) {
 					),
 				)
 				require.NoError(t, err)
-				require.Equal(t, map[string]interface{}{"id": 15, "author": "J K. Rowling", "title": "Harry Potter", "smp": "https://example.com/schema"}, v)
+				require.Equal(t, map[string]interface{}{"id": int64(15), "author": "J K. Rowling", "title": "Harry Potter", "smp": "https://example.com/schema"}, v)
 			},
 		},
 		{
@@ -413,7 +413,7 @@ func TestUnmarshalXML_Old(t *testing.T) {
 				schematest.WithProperty("author", schematest.New("string"))),
 			test: func(t *testing.T, i interface{}, err error) {
 				require.NoError(t, err)
-				require.Equal(t, map[string]interface{}{"id": 0, "title": "foo", "author": "bar"}, i)
+				require.Equal(t, map[string]interface{}{"id": int64(0), "title": "foo", "author": "bar"}, i)
 			},
 		},
 		{
@@ -426,7 +426,7 @@ func TestUnmarshalXML_Old(t *testing.T) {
 				schematest.WithProperty("author", schematest.New("string", schematest.WithXml(&schema.Xml{Name: "Author"})))),
 			test: func(t *testing.T, i interface{}, err error) {
 				require.NoError(t, err)
-				require.Equal(t, map[string]interface{}{"id": 0, "title": "foo", "author": "bar"}, i)
+				require.Equal(t, map[string]interface{}{"id": int64(0), "title": "foo", "author": "bar"}, i)
 			},
 		},
 	}
diff --git a/schema/json/parser/parser_integer.go b/schema/json/parser/parser_integer.go
index ee2a8a229..42fc17e2b 100644
--- a/schema/json/parser/parser_integer.go
+++ b/schema/json/parser/parser_integer.go
@@ -38,14 +38,14 @@ func (p *Parser) ParseInteger(i interface{}, s *schema.Schema) (interface{}, err
 		}
 		switch s.Format {
 		case "int32":
-			n32, err := strconv.Atoi(v)
+			val64, err := strconv.ParseInt(v, 10, 32)
 			if err != nil {
 				return 0, &ErrorDetail{
 					Message: fmt.Sprintf("invalid type, expected %v but got %v", s.Type, toType(i)),
 					Field:   "type",
 				}
 			}
-			n = int64(n32)
+			n = val64
 		default:
 			var err error
 			n, err = strconv.ParseInt(v, 10, 64)