diff --git a/client_test.go b/client_test.go
index 3aebb08..14146c7 100644
--- a/client_test.go
+++ b/client_test.go
@@ -1011,6 +1011,7 @@ func TestCreateDatabase(t *testing.T) {
 						URL: "https://example.com/image.png",
 					},
 				},
+				IsInline: true,
 			},
 			respBody: func(_ *http.Request) io.Reader {
 				return strings.NewReader(
@@ -1059,7 +1060,8 @@ func TestCreateDatabase(t *testing.T) {
 							"external": {
 								"url": "https://example.com/image.png"
 							}
-						}
+						},
+						"is_inline": true
 					}`,
 				)
 			},
@@ -1092,6 +1094,7 @@ func TestCreateDatabase(t *testing.T) {
 						"url": "https://example.com/image.png",
 					},
 				},
+				"is_inline": true,
 			},
 			expResponse: notion.Database{
 				ID:             "b89664e3-30b4-474a-9cce-c72a4827d1e4",
@@ -1131,6 +1134,7 @@ func TestCreateDatabase(t *testing.T) {
 						URL: "https://example.com/image.png",
 					},
 				},
+				IsInline: true,
 			},
 			expError: nil,
 		},
@@ -1297,6 +1301,7 @@ func TestUpdateDatabase(t *testing.T) {
 						URL: "https://example.com/image.png",
 					},
 				},
+				IsInline: notion.BoolPtr(true),
 			},
 			respBody: func(_ *http.Request) io.Reader {
 				return strings.NewReader(
@@ -1350,7 +1355,8 @@ func TestUpdateDatabase(t *testing.T) {
 							"external": {
 								"url": "https://example.com/image.png"
 							}
-						}
+						},
+						"is_inline": true
 					}`,
 				)
 			},
@@ -1380,6 +1386,7 @@ func TestUpdateDatabase(t *testing.T) {
 						"url": "https://example.com/image.png",
 					},
 				},
+				"is_inline": true,
 			},
 			expResponse: notion.Database{
 				ID:             "668d797c-76fa-4934-9b05-ad288df2d136",
@@ -1423,6 +1430,7 @@ func TestUpdateDatabase(t *testing.T) {
 						URL: "https://example.com/image.png",
 					},
 				},
+				IsInline: true,
 			},
 			expError: nil,
 		},
diff --git a/database.go b/database.go
index 0e96005..4cced8c 100644
--- a/database.go
+++ b/database.go
@@ -21,6 +21,7 @@ type Database struct {
 	Icon           *Icon              `json:"icon,omitempty"`
 	Cover          *Cover             `json:"cover,omitempty"`
 	Archived       bool               `json:"archived"`
+	IsInline       bool               `json:"is_inline"`
 }
 
 // DatabaseProperties is a mapping of properties defined on a database.
@@ -300,6 +301,7 @@ type CreateDatabaseParams struct {
 	Properties   DatabaseProperties
 	Icon         *Icon
 	Cover        *Cover
+	IsInline     bool
 }
 
 type (
@@ -475,6 +477,7 @@ func (p CreateDatabaseParams) MarshalJSON() ([]byte, error) {
 		Properties DatabaseProperties `json:"properties"`
 		Icon       *Icon              `json:"icon,omitempty"`
 		Cover      *Cover             `json:"cover,omitempty"`
+		IsInline   bool               `json:"is_inline,omitempty"`
 	}
 
 	parent := Parent{
@@ -488,6 +491,7 @@ func (p CreateDatabaseParams) MarshalJSON() ([]byte, error) {
 		Properties: p.Properties,
 		Icon:       p.Icon,
 		Cover:      p.Cover,
+		IsInline:   p.IsInline,
 	}
 
 	return json.Marshal(dto)
@@ -500,6 +504,7 @@ type UpdateDatabaseParams struct {
 	Icon       *Icon                        `json:"icon,omitempty"`
 	Cover      *Cover                       `json:"cover,omitempty"`
 	Archived   *bool                        `json:"archived,omitempty"`
+	IsInline   *bool                        `json:"is_inline,omitempty"`
 }
 
 // Validate validates params for updating a database.