diff --git a/package-lock.json b/package-lock.json
index 2dd3e031..61ca5905 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,11 +1,11 @@
 {
   "name": "dash-core-components",
-  "version": "1.17.0",
+  "version": "1.17.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "version": "1.17.0",
+      "version": "1.17.1",
       "license": "MIT",
       "dependencies": {
         "@fortawesome/fontawesome-svg-core": "^1.2.35",
@@ -64,8 +64,8 @@
         "webpack-cli": "^4.7.2"
       },
       "peerDependencies": {
-        "react": "^16.9",
-        "react-dom": "^16.9"
+        "react": ">=16",
+        "react-dom": ">=16"
       }
     },
     "node_modules/@babel/cli": {
@@ -10569,7 +10569,7 @@
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
       "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=",
-      "deprecated": "The",
+      "deprecated": "The querystring API is considered Legacy. new code should use the URLSearchParams API instead.",
       "engines": {
         "node": ">=0.4.x"
       }
diff --git a/src/components/Dropdown.react.js b/src/components/Dropdown.react.js
index 604cebfe..80417c1d 100644
--- a/src/components/Dropdown.react.js
+++ b/src/components/Dropdown.react.js
@@ -109,6 +109,11 @@ Dropdown.propTypes = {
      */
     multi: PropTypes.bool,
 
+    /**
+     * If true, dropdown menu closes when option is selected
+     */
+    close_on_select: PropTypes.bool,
+
     /**
      * The grey, default text shown when no option is selected
      */
@@ -186,6 +191,7 @@ Dropdown.defaultProps = {
     clearable: true,
     disabled: false,
     multi: false,
+    close_on_select: true,
     searchable: true,
     optionHeight: 35,
     persisted_props: ['value'],
diff --git a/src/fragments/Dropdown.react.js b/src/fragments/Dropdown.react.js
index 2f819b35..493f97ba 100644
--- a/src/fragments/Dropdown.react.js
+++ b/src/fragments/Dropdown.react.js
@@ -49,6 +49,7 @@ export default class Dropdown extends Component {
             id,
             clearable,
             multi,
+            close_on_select,
             options,
             setProps,
             style,
@@ -94,6 +95,7 @@ export default class Dropdown extends Component {
                             setProps({value});
                         }
                     }}
+                    closeOnSelect={close_on_select}
                     onInputChange={search_value => setProps({search_value})}
                     backspaceRemoves={clearable}
                     deleteRemoves={clearable}
diff --git a/tests/dash_core_components_page.py b/tests/dash_core_components_page.py
index 5e9469e4..9ce1e68c 100644
--- a/tests/dash_core_components_page.py
+++ b/tests/dash_core_components_page.py
@@ -32,9 +32,7 @@ def is_month_valid(elem):
             filtered = [_ for _ in days if _.text == str(day) and is_month_valid(_)]
             if not filtered or len(filtered) > 1:
                 logger.error(
-                    "cannot find the matched day with index=%s, day=%s",
-                    index,
-                    day,
+                    "cannot find the matched day with index=%s, day=%s", index, day,
                 )
             matched = filtered[0]
         else:
diff --git a/tests/integration/confirmdialog/test_confirm.py b/tests/integration/confirmdialog/test_confirm.py
index 568652e9..9c3b0dde 100644
--- a/tests/integration/confirmdialog/test_confirm.py
+++ b/tests/integration/confirmdialog/test_confirm.py
@@ -44,20 +44,14 @@ def on_click_confirm(n_clicks):
 
         @app.callback(
             Output("confirmed", "children"),
-            [
-                Input("confirm", "submit_n_clicks"),
-                Input("confirm", "cancel_n_clicks"),
-            ],
+            [Input("confirm", "submit_n_clicks"), Input("confirm", "cancel_n_clicks"),],
             [
                 State("confirm", "submit_n_clicks_timestamp"),
                 State("confirm", "cancel_n_clicks_timestamp"),
             ],
         )
         def on_confirmed(
-            submit_n_clicks,
-            cancel_n_clicks,
-            submit_timestamp,
-            cancel_timestamp,
+            submit_n_clicks, cancel_n_clicks, submit_timestamp, cancel_timestamp,
         ):
             count.value += 1
 
@@ -102,8 +96,7 @@ def test_cnfd002_injected_confirm(dash_dcc):
     )
 
     @app.callback(
-        Output("confirm-container", "children"),
-        [Input("button", "n_clicks")],
+        Output("confirm-container", "children"), [Input("button", "n_clicks")],
     )
     def on_click(n_clicks):
         if n_clicks:
diff --git a/tests/integration/graph/test_graph_responsive.py b/tests/integration/graph/test_graph_responsive.py
index 60135041..3b27d97a 100644
--- a/tests/integration/graph/test_graph_responsive.py
+++ b/tests/integration/graph/test_graph_responsive.py
@@ -46,11 +46,7 @@ def test_grrs001_graph(dash_dcc, responsive, autosize, height, width, is_respons
                 figure=dict(
                     layout=dict(autosize=autosize, height=height, width=width),
                     data=[
-                        dict(
-                            x=[1, 2, 3, 4],
-                            y=[5, 4, 3, 6],
-                            line=dict(shape="spline"),
-                        )
+                        dict(x=[1, 2, 3, 4], y=[5, 4, 3, 6], line=dict(shape="spline"),)
                     ],
                 ),
             )
diff --git a/tests/integration/graph/test_graph_varia.py b/tests/integration/graph/test_graph_varia.py
index 1bd9d2f8..4c3b2e99 100644
--- a/tests/integration/graph/test_graph_varia.py
+++ b/tests/integration/graph/test_graph_varia.py
@@ -122,8 +122,7 @@ def test_grva002_graphs_with_different_figures(dash_dcc, is_eager):
     )
 
     @app.callback(
-        Output("restyle-data", "children"),
-        [Input("example-graph", "restyleData")],
+        Output("restyle-data", "children"), [Input("example-graph", "restyleData")],
     )
     def show_restyle_data(data):
         if data is None:  # ignore initial
@@ -131,8 +130,7 @@ def show_restyle_data(data):
         return json.dumps(data)
 
     @app.callback(
-        Output("relayout-data", "children"),
-        [Input("example-graph", "relayoutData")],
+        Output("relayout-data", "children"), [Input("example-graph", "relayoutData")],
     )
     def show_relayout_data(data):
         if data is None or "autosize" in data:  # ignore initial & auto width
@@ -351,12 +349,7 @@ def display_data(trigger, fig):
     )
 
     comparison = json.dumps(
-        [
-            dict(
-                x=[5, 6, 7, 8, 9, 10, 11],
-                y=[0.1, 0.2, 0.3, 0.4, 0.5, 0, 0.5],
-            )
-        ]
+        [dict(x=[5, 6, 7, 8, 9, 10, 11], y=[0.1, 0.2, 0.3, 0.4, 0.5, 0, 0.5],)]
     )
     dash_dcc.wait_for_text_to_equal(
         "#output_trace_will_prepend_with_max_points", comparison
@@ -521,12 +514,7 @@ def display_data(trigger, fig):
     dash_dcc.wait_for_text_to_equal("#output_trace_will_extend_selectively", comparison)
 
     comparison = json.dumps(
-        [
-            dict(
-                x=[3, 4, 5, 6, 7, 8, 9],
-                y=[0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],
-            )
-        ]
+        [dict(x=[3, 4, 5, 6, 7, 8, 9], y=[0.5, 0, 0.1, 0.2, 0.3, 0.4, 0.5],)]
     )
     dash_dcc.wait_for_text_to_equal(
         "#output_trace_will_extend_with_max_points", comparison
diff --git a/tests/integration/interval/test_interval.py b/tests/integration/interval/test_interval.py
index 85153a47..76b0ae20 100644
--- a/tests/integration/interval/test_interval.py
+++ b/tests/integration/interval/test_interval.py
@@ -31,12 +31,7 @@ def test_intv002_restart(dash_dcc):
     app = dash.Dash(__name__)
     app.layout = html.Div(
         [
-            dcc.Interval(
-                id="interval",
-                interval=100,
-                n_intervals=0,
-                max_intervals=-1,
-            ),
+            dcc.Interval(id="interval", interval=100, n_intervals=0, max_intervals=-1,),
             html.Button("Start", id="start", n_clicks_timestamp=-1),
             html.Button("Stop", id="stop", n_clicks_timestamp=-1),
             html.Div(id="output"),
@@ -45,10 +40,7 @@ def test_intv002_restart(dash_dcc):
 
     @app.callback(
         Output("interval", "max_intervals"),
-        [
-            Input("start", "n_clicks_timestamp"),
-            Input("stop", "n_clicks_timestamp"),
-        ],
+        [Input("start", "n_clicks_timestamp"), Input("stop", "n_clicks_timestamp"),],
     )
     def start_stop(start, stop):
         if start < stop:
diff --git a/tests/integration/misc/conftest.py b/tests/integration/misc/conftest.py
index 1359d95b..145eed2d 100644
--- a/tests/integration/misc/conftest.py
+++ b/tests/integration/misc/conftest.py
@@ -90,10 +90,7 @@ def platter_app():
             dcc.Input(value="", placeholder="type here", id="textinput"),
             html.Label("Disabled Text Input"),
             dcc.Input(
-                value="disabled",
-                type="text",
-                id="disabled-textinput",
-                disabled=True,
+                value="disabled", type="text", id="disabled-textinput", disabled=True,
             ),
             html.Label("Slider"),
             dcc.Slider(
diff --git a/tests/integration/store/test_component_props.py b/tests/integration/store/test_component_props.py
index 89f30cd1..e4cfc69d 100644
--- a/tests/integration/store/test_component_props.py
+++ b/tests/integration/store/test_component_props.py
@@ -42,8 +42,7 @@ def test_stcp002_modified_ts(store_app, dash_dcc):
     )
 
     @app.callback(
-        Output("initial-storage", "data"),
-        [Input("set-init-storage", "n_clicks")],
+        Output("initial-storage", "data"), [Input("set-init-storage", "n_clicks")],
     )
     def on_init(n_clicks):
         if n_clicks is None:
diff --git a/tests/integration/tab/test_tabs_with_graphs.py b/tests/integration/tab/test_tabs_with_graphs.py
index af5945be..d3279a3f 100644
--- a/tests/integration/tab/test_tabs_with_graphs.py
+++ b/tests/integration/tab/test_tabs_with_graphs.py
@@ -38,8 +38,7 @@ def test_graph_does_not_resize_in_tabs(dash_dcc, is_eager):
     )
 
     @app.callback(
-        Output("tabs-content-example", "children"),
-        [Input("tabs-example", "value")],
+        Output("tabs-content-example", "children"), [Input("tabs-example", "value")],
     )
     def render_content(tab):
         if tab == "tab-1-example":
diff --git a/tests/integration/upload/test_upload_different_file_types.py b/tests/integration/upload/test_upload_different_file_types.py
index 752745b4..0861f4fc 100644
--- a/tests/integration/upload/test_upload_different_file_types.py
+++ b/tests/integration/upload/test_upload_different_file_types.py
@@ -50,9 +50,7 @@ def load_data_by_type(filetype, contents):
 def test_upft001_test_upload_with_different_file_types(filetype, dash_dcc):
 
     filepath = os.path.join(
-        os.path.dirname(__file__),
-        "upload-assets",
-        "upft001.{}".format(filetype),
+        os.path.dirname(__file__), "upload-assets", "upft001.{}".format(filetype),
     )
 
     app = dash.Dash(__name__)