diff --git a/_data/simple-icons.json b/_data/simple-icons.json
index 9664ff1a..492c781e 100644
--- a/_data/simple-icons.json
+++ b/_data/simple-icons.json
@@ -4997,6 +4997,11 @@
             "hex": "FF9955",
             "source": "https://github.com/mobxjs/mobx/blob/248e25e37af31c2e71ff452bc662a85816fa40d8/docs/assets/mobservable.svg"
         },
+        {
+            "title": "MobX-State-Tree",
+            "hex": "FF7102",
+            "source": "https://github.com/mobxjs/mobx-state-tree/blob/666dabd60a7fb87faf83d177c14f516481b5f141/website/static/img/mobx-state-tree-logo.svg"
+        },
         {
             "title": "Mocha",
             "hex": "8D6748",
diff --git a/icons/mobx-state-tree.svg b/icons/mobx-state-tree.svg
new file mode 100644
index 00000000..dd8c233d
--- /dev/null
+++ b/icons/mobx-state-tree.svg
@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>MobX-State-Tree icon</title><path d="M12.4359.5918c-.5327.0013-1.073.2715-1.432.8068L.3056 17.5528c-.9402 1.9806.4223 3.8737 2.2691 4.4105 3.469.7726 6.646-1.2927 6.646-1.2927 4.68-2.9945 7.7024-4.6851 7.7024-4.6851 3.7297-1.8907 6.9926.4293 6.9995.4342L13.8248 1.3986c-.3309-.54-.8563-.808-1.389-.8068zm.0043 1.6599c.4191-.0013.8326.2102 1.093.635 2.4662 3.6608 5.2689 7.4349 7.6288 11.1616 0 0-2.252-1.1721-5.19.3173 0 0-2.3795 1.3306-6.0622 3.687 0 0-2.4992 1.6244-5.229 1.0164-1.4534-.4224-2.5263-1.9125-1.7865-3.4711l8.4195-12.7111c.2825-.4212.7072-.6342 1.1264-.6351zM20.86 16.4169c-4.0347.0998-7.5355 3.8695-10.387 4.9836 4.3352 5.2103 17.3143-.9708 12.454-4.4241-.6166-.4203-1.315-.578-2.067-.5595zm-.0247 1.0159c.5446.003 1.04.1454 1.4567.4783 2.288 2.2856-6.3047 6.2616-9.9585 3.647 1.1813-.0912 5.5606-4.1413 8.5018-4.1253Z"/></svg>
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