diff --git a/package-lock.json b/package-lock.json
index d5348b327de..b84f9ffc8c5 100644
--- a/package-lock.json
+++ b/package-lock.json
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-    "underscore": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
-      "integrity": "sha1-izixDKze9jM3uLJOT/htRa6lKag="
-    },
-    "unflowify": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/unflowify/-/unflowify-1.0.1.tgz",
-      "integrity": "sha1-ouoNJcCv/MRpVeZHNXX3xaH0ppY=",
-      "requires": {
-        "flow-remove-types": "1.2.3",
-        "through": "2.3.8"
-      }
-    },
     "union-find": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/union-find/-/union-find-1.0.2.tgz",
@@ -11957,9 +11726,9 @@
       "dev": true
     },
     "vt-pbf": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/vt-pbf/-/vt-pbf-3.1.0.tgz",
-      "integrity": "sha512-UUCGPkpT1P/bm3R3/HX0SCnRSto44xXx0WuLFVG6C7KspdfQfU+84etoO6cITAGCdq8V5DjuWfDhvk/pyTyt3Q==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/vt-pbf/-/vt-pbf-3.1.1.tgz",
+      "integrity": "sha512-pHjWdrIoxurpmTcbfBWXaPwSmtPAHS105253P1qyEfSTV2HJddqjM+kIHquaT/L6lVJIk9ltTGc0IxR/G47hYA==",
       "requires": {
         "@mapbox/point-geometry": "0.1.0",
         "@mapbox/vector-tile": "1.3.1",
@@ -12020,11 +11789,6 @@
       "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
       "dev": true
     },
-    "webworkify": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/webworkify/-/webworkify-1.5.0.tgz",
-      "integrity": "sha512-AMcUeyXAhbACL8S2hqqdqOLqvJ8ylmIbNwUIqQujRSouf4+eUFaXbG6F1Rbu+srlJMmxQWsiU7mOJi0nMBfM1g=="
-    },
     "wgs84": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/wgs84/-/wgs84-0.0.0.tgz",
diff --git a/package.json b/package.json
index 6afffd4cba6..3bb2d5c49df 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "glslify": "^6.1.1",
     "has-hover": "^1.0.1",
     "has-passive-events": "^1.0.0",
-    "mapbox-gl": "0.44.1",
+    "mapbox-gl": "0.45.0",
     "matrix-camera-controller": "^2.1.3",
     "mouse-change": "^1.4.0",
     "mouse-event-offset": "^3.0.2",
diff --git a/src/plots/mapbox/constants.js b/src/plots/mapbox/constants.js
index 3b74ad56f89..7b1e5e4e71d 100644
--- a/src/plots/mapbox/constants.js
+++ b/src/plots/mapbox/constants.js
@@ -8,7 +8,7 @@
 
 'use strict';
 
-var requiredVersion = '0.44.1';
+var requiredVersion = '0.45.0';
 
 module.exports = {
     requiredVersion: requiredVersion,
diff --git a/src/plots/mapbox/mapbox.js b/src/plots/mapbox/mapbox.js
index 18db3935a4d..d69a580a90a 100644
--- a/src/plots/mapbox/mapbox.js
+++ b/src/plots/mapbox/mapbox.js
@@ -130,6 +130,8 @@ proto.createMap = function(calcData, fullLayout, resolve, reject) {
 
     if(self.isStatic) return;
 
+    var wheeling = false;
+
     // keep track of pan / zoom in user layout and emit relayout event
     map.on('moveend', function(eventData) {
         if(!self.map) return;
@@ -149,11 +151,16 @@ proto.createMap = function(calcData, fullLayout, resolve, reject) {
         // mouse target (filtering out API calls) to not
         // duplicate 'plotly_relayout' events.
 
-        if(eventData.originalEvent) {
+        if(eventData.originalEvent || wheeling) {
             var update = {};
             update[self.id] = Lib.extendFlat({}, view);
             gd.emit('plotly_relayout', update);
         }
+        wheeling = false;
+    });
+
+    map.on('wheel', function() {
+        wheeling = true;
     });
 
     map.on('mousemove', function(evt) {
diff --git a/test/image/baselines/mapbox_0.png b/test/image/baselines/mapbox_0.png
index 68b8dee4b15..ff53626e4ba 100644
Binary files a/test/image/baselines/mapbox_0.png and b/test/image/baselines/mapbox_0.png differ
diff --git a/test/image/baselines/mapbox_angles.png b/test/image/baselines/mapbox_angles.png
index 0fabd18879c..e806da21f34 100644
Binary files a/test/image/baselines/mapbox_angles.png and b/test/image/baselines/mapbox_angles.png differ
diff --git a/test/image/baselines/mapbox_bubbles-text.png b/test/image/baselines/mapbox_bubbles-text.png
index a36d9aba981..cec0ee355bb 100644
Binary files a/test/image/baselines/mapbox_bubbles-text.png and b/test/image/baselines/mapbox_bubbles-text.png differ
diff --git a/test/image/baselines/mapbox_bubbles.png b/test/image/baselines/mapbox_bubbles.png
index 0fe4978231d..9466aaa8521 100644
Binary files a/test/image/baselines/mapbox_bubbles.png and b/test/image/baselines/mapbox_bubbles.png differ
diff --git a/test/image/baselines/mapbox_connectgaps.png b/test/image/baselines/mapbox_connectgaps.png
index cb6e1eec4cc..1a25bae1eae 100644
Binary files a/test/image/baselines/mapbox_connectgaps.png and b/test/image/baselines/mapbox_connectgaps.png differ
diff --git a/test/image/baselines/mapbox_custom-style.png b/test/image/baselines/mapbox_custom-style.png
index dca5187424e..b9b0dede026 100644
Binary files a/test/image/baselines/mapbox_custom-style.png and b/test/image/baselines/mapbox_custom-style.png differ
diff --git a/test/image/baselines/mapbox_fill.png b/test/image/baselines/mapbox_fill.png
index 0291fcc60e9..0789b689f64 100644
Binary files a/test/image/baselines/mapbox_fill.png and b/test/image/baselines/mapbox_fill.png differ
diff --git a/test/image/baselines/mapbox_layers.png b/test/image/baselines/mapbox_layers.png
index edfa60da6eb..79e6dc7fada 100644
Binary files a/test/image/baselines/mapbox_layers.png and b/test/image/baselines/mapbox_layers.png differ
diff --git a/test/image/baselines/mapbox_symbol-text.png b/test/image/baselines/mapbox_symbol-text.png
index d7f3ddf8233..916800713e7 100644
Binary files a/test/image/baselines/mapbox_symbol-text.png and b/test/image/baselines/mapbox_symbol-text.png differ
diff --git a/test/jasmine/tests/mapbox_test.js b/test/jasmine/tests/mapbox_test.js
index 60430c94915..6f68ed85bf6 100644
--- a/test/jasmine/tests/mapbox_test.js
+++ b/test/jasmine/tests/mapbox_test.js
@@ -827,6 +827,14 @@ describe('@noCI, mapbox plots', function() {
             doubleClickCnt++;
         });
 
+        function _scroll(p) {
+            return new Promise(function(resolve) {
+                mouseEvent('mousemove', p[0], p[1]);
+                mouseEvent('scroll', p[0], p[1], {deltaY: -400});
+                setTimeout(resolve, 1000);
+            });
+        }
+
         function assertLayout(center, zoom, opts) {
             var mapInfo = getMapInfo(gd),
                 layout = gd.layout.mapbox;
@@ -858,14 +866,18 @@ describe('@noCI, mapbox plots', function() {
         .then(function() {
             expect(doubleClickCnt).toBe(1, 'double click cnt');
             assertLayout([-4.710, 19.475], 1.234);
+
+            return _scroll(pointPos);
+        })
+        .then(function() {
+            expect(getMapInfo(gd).zoom).toBeGreaterThan(1.234);
+            expect(relayoutCnt).toBe(2);
         })
         .catch(failTest)
         .then(done);
-
-        // TODO test scroll
-
     }, LONG_TIMEOUT_INTERVAL);
 
+
     it('should respond to click interactions by', function(done) {
         var ptData;
 
@@ -1001,13 +1013,8 @@ describe('@noCI, mapbox plots', function() {
     }
 
     function _click(pos, cb) {
-        var promise = _mouseEvent('mousemove', pos, noop).then(function() {
-            return _mouseEvent('mousedown', pos, noop);
-        }).then(function() {
-            return _mouseEvent('click', pos, cb);
-        });
-
-        return promise;
+        mouseEvent('mousemove', pos[0], pos[1]);
+        return _mouseEvent('click', pos, cb);
     }
 
     function _doubleClick(pos) {