diff --git a/package-lock.json b/package-lock.json
index f5bf9161..4b3a597c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1769,16 +1769,16 @@
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-      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-4.9.11.tgz",
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+      "version": "4.9.12",
+      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-4.9.12.tgz",
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       "requires": {
         "@babel/runtime": "^7.4.4",
-        "@material-ui/react-transition-group": "^4.2.0",
+        "@material-ui/react-transition-group": "^4.3.0",
         "@material-ui/styles": "^4.9.10",
         "@material-ui/system": "^4.9.10",
         "@material-ui/types": "^5.0.1",
-        "@material-ui/utils": "^4.9.6",
+        "@material-ui/utils": "^4.9.12",
         "@types/react-transition-group": "^4.2.0",
         "clsx": "^1.0.4",
         "hoist-non-react-statics": "^3.3.2",
@@ -1797,12 +1797,12 @@
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+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/@material-ui/react-transition-group/-/react-transition-group-4.3.0.tgz",
+      "integrity": "sha512-CwQ0aXrlUynUTY6sh3UvKuvye1o92en20VGAs6TORnSxUYeRmkX8YeTUN3lAkGiBX1z222FxLFO36WWh6q73rQ==",
       "requires": {
-        "@babel/runtime": "^7.4.5",
-        "dom-helpers": "^3.4.0",
+        "@babel/runtime": "^7.5.5",
+        "dom-helpers": "^5.0.1",
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@@ -1846,9 +1846,9 @@
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     "@material-ui/utils": {
-      "version": "4.9.6",
-      "resolved": "https://registry.npmjs.org/@material-ui/utils/-/utils-4.9.6.tgz",
-      "integrity": "sha512-gqlBn0JPPTUZeAktn1rgMcy9Iczrr74ecx31tyZLVGdBGGzsxzM6PP6zeS7FuoLS6vG4hoZP7hWnOoHtkR0Kvw==",
+      "version": "4.9.12",
+      "resolved": "https://registry.npmjs.org/@material-ui/utils/-/utils-4.9.12.tgz",
+      "integrity": "sha512-/0rgZPEOcZq5CFA4+4n6Q6zk7fi8skHhH2Bcra8R3epoJEYy5PL55LuMazPtPH1oKeRausDV/Omz4BbgFsn1HQ==",
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         "prop-types": "^15.7.2",
@@ -6946,11 +6946,12 @@
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     "dom-helpers": {
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-      "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-3.4.0.tgz",
-      "integrity": "sha512-LnuPJ+dwqKDIyotW1VzmOZ5TONUN7CwkCR5hrgawTUbkBGYdeoNLZo6nNfGkCrjtE1nXXaj7iMMpDa8/d9WoIA==",
+      "version": "5.1.4",
+      "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-5.1.4.tgz",
+      "integrity": "sha512-TjMyeVUvNEnOnhzs6uAn9Ya47GmMo3qq7m+Lr/3ON0Rs5kHvb8I+SQYjLUSYn7qhEm0QjW0yrBkvz9yOrwwz1A==",
       "requires": {
-        "@babel/runtime": "^7.1.2"
+        "@babel/runtime": "^7.8.7",
+        "csstype": "^2.6.7"
       }
     },
     "dom-serializer": {
@@ -18668,17 +18669,6 @@
         "dom-helpers": "^5.0.1",
         "loose-envify": "^1.4.0",
         "prop-types": "^15.6.2"
-      },
-      "dependencies": {
-        "dom-helpers": {
-          "version": "5.1.4",
-          "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-5.1.4.tgz",
-          "integrity": "sha512-TjMyeVUvNEnOnhzs6uAn9Ya47GmMo3qq7m+Lr/3ON0Rs5kHvb8I+SQYjLUSYn7qhEm0QjW0yrBkvz9yOrwwz1A==",
-          "requires": {
-            "@babel/runtime": "^7.8.7",
-            "csstype": "^2.6.7"
-          }
-        }
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     },
     "react-twitter-widgets": {
diff --git a/package.json b/package.json
index b49c5bad..e7edd35d 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "version": "1.1.0",
   "author": "Ruben Harutyunyan <vagr9k@gmail.com>",
   "dependencies": {
-    "@material-ui/core": "4.9.11",
+    "@material-ui/core": "4.9.12",
     "@material-ui/icons": "4.9.1",
     "@mdx-js/mdx": "1.5.8",
     "@mdx-js/react": "1.5.8",