diff --git a/package-lock.json b/package-lock.json
index f1f3aec..b0c41a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8516,30 +8516,6 @@
         }
       }
     },
-    "extract-text-webpack-plugin": {
-      "version": "4.0.0-beta.0",
-      "resolved": "https://registry.npmjs.org/extract-text-webpack-plugin/-/extract-text-webpack-plugin-4.0.0-beta.0.tgz",
-      "integrity": "sha512-Hypkn9jUTnFr0DpekNam53X47tXn3ucY08BQumv7kdGgeVUBLq3DJHJTi6HNxv4jl9W+Skxjz9+RnK0sJyqqjA==",
-      "dev": true,
-      "requires": {
-        "async": "^2.4.1",
-        "loader-utils": "^1.1.0",
-        "schema-utils": "^0.4.5",
-        "webpack-sources": "^1.1.0"
-      },
-      "dependencies": {
-        "schema-utils": {
-          "version": "0.4.7",
-          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz",
-          "integrity": "sha512-v/iwU6wvwGK8HbU9yi3/nhGzP0yGSuhQMzL6ySiec1FSrZZDkhm4noOSWzrNFo/jEc+SJY6jRTwuwbSXJPDUnQ==",
-          "dev": true,
-          "requires": {
-            "ajv": "^6.1.0",
-            "ajv-keywords": "^3.1.0"
-          }
-        }
-      }
-    },
     "extract-zip": {
       "version": "1.6.7",
       "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.6.7.tgz",
@@ -9128,7 +9104,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -9149,12 +9126,14 @@
         "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"
@@ -9169,17 +9148,20 @@
         "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",
@@ -9296,7 +9278,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -9308,6 +9291,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -9322,6 +9306,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -9329,12 +9314,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -9353,6 +9340,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -9433,7 +9421,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -9445,6 +9434,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -9530,7 +9520,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -9566,6 +9557,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -9585,6 +9577,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -9628,12 +9621,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -17612,9 +17607,9 @@
       }
     },
     "redux": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/redux/-/redux-4.0.1.tgz",
-      "integrity": "sha512-R7bAtSkk7nY6O/OYMVR9RiBI+XghjF9rlbl5806HJbQph0LJVHZrU5oaO4q70eUKiqMRqm4y07KLTlMZ2BlVmg==",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/redux/-/redux-4.0.4.tgz",
+      "integrity": "sha512-vKv4WdiJxOWKxK0yRoaK3Y4pxxB0ilzVx6dszU2W8wLxlb2yikRph4iV/ymtdJ6ZxpBLFbyrxklnT5yBbQSl3Q==",
       "requires": {
         "loose-envify": "^1.4.0",
         "symbol-observable": "^1.2.0"
diff --git a/package.json b/package.json
index 32d397a..56edc3f 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "react-router": "^5.0.0",
     "react-router-dom": "^5.0.0",
     "react-syntax-highlighter": "^11.0.2",
-    "redux": "^4.0.1",
+    "redux": "^4.0.4",
     "redux-thunk": "^2.3.0",
     "styled-components": "^4.2.1",
     "styled-theming": "^2.2.0",