diff --git a/package-lock.json b/package-lock.json
index 79942e0..985de59 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -215,6 +215,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -1725,25 +1726,22 @@
       }
     },
     "css": {
-      "version": "2.2.3",
-      "resolved": "https://registry.npmjs.org/css/-/css-2.2.3.tgz",
-      "integrity": "sha512-0W171WccAjQGGTKLhw4m2nnl0zPHUlTO/I8td4XzJgIB8Hg3ZZx71qT4G4eX8OVsSiaAKiUMy73E3nsbPlg2DQ==",
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/css/-/css-2.2.4.tgz",
+      "integrity": "sha512-oUnjmWpy0niI3x/mPL8dVEI1l7MnG3+HHyRPHf+YFSbK+svOhXpmSOcDURUh2aOCgl2grzrOPt1nHLuCVFULLw==",
       "dev": true,
       "requires": {
-        "inherits": "^2.0.1",
-        "source-map": "^0.1.38",
-        "source-map-resolve": "^0.5.1",
+        "inherits": "^2.0.3",
+        "source-map": "^0.6.1",
+        "source-map-resolve": "^0.5.2",
         "urix": "^0.1.0"
       },
       "dependencies": {
         "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "dev": true,
-          "requires": {
-            "amdefine": ">=0.0.4"
-          }
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
         }
       }
     },
@@ -2360,7 +2358,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -2381,12 +2380,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -2401,17 +2402,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -2528,7 +2532,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -2540,6 +2545,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -2554,6 +2560,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -2561,12 +2568,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -2585,6 +2594,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2665,7 +2675,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -2677,6 +2688,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -2762,7 +2774,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -2798,6 +2811,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -2817,6 +2831,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -2860,12 +2875,14 @@
         "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
         }
       }
     },
@@ -3786,9 +3803,9 @@
       }
     },
     "jest-dom": {
-      "version": "1.12.0",
-      "resolved": "https://registry.npmjs.org/jest-dom/-/jest-dom-1.12.0.tgz",
-      "integrity": "sha512-G8LplxieRJDOmTNJN2SzctewT9HoslclwzEW8znch98gSw5KeajIbporSqUuWHPRB8q8UQl0OI6AtUjGrNcniQ==",
+      "version": "1.12.1",
+      "resolved": "https://registry.npmjs.org/jest-dom/-/jest-dom-1.12.1.tgz",
+      "integrity": "sha512-QZGnuUT3sK6YNcJq6kyrK1PE1WrkYaaXtOJD4WrT6RIv6qyrUS76xYbWGUxXAZykcqhqaTmCSuCpn//0GDtgqA==",
       "dev": true,
       "requires": {
         "chalk": "^2.4.1",
@@ -3815,9 +3832,9 @@
           }
         },
         "chalk": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
-          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
           "dev": true,
           "requires": {
             "ansi-styles": "^3.2.1",
@@ -4674,7 +4691,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.4.0",
diff --git a/package.json b/package.json
index c16eea5..3177a6a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "babel-preset-react": "6.24.1",
     "babel-preset-stage-2": "6.24.1",
     "jest": "23.5.0",
-    "jest-dom": "1.12.0",
+    "jest-dom": "1.12.1",
     "react": "16.4.2",
     "react-dom": "16.4.2",
     "react-testing-library": "5.0.0"