diff --git a/package-lock.json b/package-lock.json
index f3845d33..bcd9da99 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9902,12 +9902,60 @@
       }
     },
     "postcss-flexbugs-fixes": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/postcss-flexbugs-fixes/-/postcss-flexbugs-fixes-3.2.0.tgz",
-      "integrity": "sha512-0AuD9HG1Ey3/3nqPWu9yqf7rL0KCPu5VgjDsjf5mzEcuo9H/z8nco/fljKgjsOUrZypa95MI0kS4xBZeBzz2lw==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/postcss-flexbugs-fixes/-/postcss-flexbugs-fixes-4.1.0.tgz",
+      "integrity": "sha512-jr1LHxQvStNNAHlgco6PzY308zvLklh7SJVYuWUwyUQncofaAlD2l+P/gxKHOdqWKe7xJSkVLFF/2Tp+JqMSZA==",
       "dev": true,
       "requires": {
-        "postcss": "^6.0.1"
+        "postcss": "^7.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "dev": true,
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
+          "dev": true
+        },
+        "postcss": {
+          "version": "7.0.5",
+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.5.tgz",
+          "integrity": "sha512-HBNpviAUFCKvEh7NZhw1e8MBPivRszIiUnhrJ+sBFVSYSqubrzwX3KG51mYgcRHX8j/cAgZJedONZcm5jTBdgQ==",
+          "dev": true,
+          "requires": {
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.5.0"
+          }
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
       }
     },
     "postcss-load-config": {
diff --git a/package.json b/package.json
index ddd1512a..b665ee0e 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
     "istanbul-reports": "^2.0.1",
     "jest": "20.0.4",
     "object-assign": "4.1.1",
-    "postcss-flexbugs-fixes": "3.2.0",
+    "postcss-flexbugs-fixes": "4.1.0",
     "postcss-loader": "2.0.8",
     "promise": "8.0.1",
     "prop-types": "^15.6.1",