diff --git a/package-lock.json b/package-lock.json
index b6db62e2..8dcaa5e8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -615,23 +615,23 @@
       }
     },
     "autoprefixer": {
-      "version": "9.0.2",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.0.2.tgz",
-      "integrity": "sha512-t5PpCq5nCNzgPEzhty83UHYLmteY9FTL3COBfRjL0y4BTDB0OADbHVzG/S7gzqvITSsAZiaJPduoDEv2n68JNQ==",
+      "version": "9.1.0",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-9.1.0.tgz",
+      "integrity": "sha512-BbAIdxNdptG/x4DiGGfpkDVYyqu4nUyNdBB0Utr49Gn3+0RERV1MdHik2FSbbWwhMAuk1KrfVJHe7nEMheGdBA==",
       "dev": true,
       "requires": {
-        "browserslist": "4.0.1",
-        "caniuse-lite": "1.0.30000865",
-        "normalize-range": "0.1.2",
-        "num2fraction": "1.2.2",
-        "postcss": "7.0.2",
-        "postcss-value-parser": "3.3.0"
+        "browserslist": "^4.0.1",
+        "caniuse-lite": "^1.0.30000872",
+        "normalize-range": "^0.1.2",
+        "num2fraction": "^1.2.2",
+        "postcss": "^7.0.2",
+        "postcss-value-parser": "^3.2.3"
       },
       "dependencies": {
         "caniuse-lite": {
-          "version": "1.0.30000865",
-          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000865.tgz",
-          "integrity": "sha512-vs79o1mOSKRGv/1pSkp4EXgl4ZviWeYReXw60XfacPU64uQWZwJT6vZNmxRF9O+6zu71sJwMxLK5JXxbzuVrLw==",
+          "version": "1.0.30000874",
+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000874.tgz",
+          "integrity": "sha512-29nr1EPiHwrJTAHHsEmTt2h+55L8j2GNFdAcYPlRy2NX6iFz7ZZiepVI7kP/QqlnHLq3KvfWpbmGa0d063U09w==",
           "dev": true
         },
         "postcss": {
@@ -640,9 +640,9 @@
           "integrity": "sha512-fmaUY5370keLUTx+CnwRxtGiuFTcNBLQBqr1oE3WZ/euIYmGAo0OAgOhVJ3ByDnVmOR3PK+0V9VebzfjRIUcqw==",
           "dev": true,
           "requires": {
-            "chalk": "2.4.1",
-            "source-map": "0.6.1",
-            "supports-color": "5.4.0"
+            "chalk": "^2.4.1",
+            "source-map": "^0.6.1",
+            "supports-color": "^5.4.0"
           }
         }
       }
@@ -5181,7 +5181,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5596,7 +5597,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5652,6 +5654,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -5695,12 +5698,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
diff --git a/package.json b/package.json
index f20b5f85..1ec9b87f 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     ]
   },
   "devDependencies": {
-    "autoprefixer": "9.0.2",
+    "autoprefixer": "9.1.0",
     "babel-cli": "6.26.0",
     "babel-core": "6.26.3",
     "babel-eslint": "8.2.6",