diff --git a/client/package-lock.json b/client/package-lock.json
index ad2c13a1..69b2220b 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -49,7 +49,7 @@
         "typescript": "^4.1.3",
         "webpack": "^5.56.1",
         "webpack-cli": "^4.3.1",
-        "webpack-dev-server": "^4.3.0"
+        "webpack-dev-server": "^4.11.1"
       }
     },
     "elm-material": {
@@ -4588,9 +4588,9 @@
       }
     },
     "node_modules/connect-history-api-fallback": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz",
-      "integrity": "sha512-e54B99q/OUoH64zYYRf3HBP5z24G38h5D3qXu23JGRoigpX5Ss4r9ZnDk3g0Z8uQC2x2lPaJ+UlWBc1ZWBWdLg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-2.0.0.tgz",
+      "integrity": "sha512-U73+6lQFmfiNPrYbXqr6kZ1i1wiRqXnp2nhMsINseWXO8lDau0LGEffJ8kQi4EjLZympVgRdvqjAgiZ1tgzDDA==",
       "dev": true,
       "engines": {
         "node": ">=0.8"
@@ -9692,9 +9692,9 @@
       "dev": true
     },
     "node_modules/selfsigned": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-2.0.1.tgz",
-      "integrity": "sha512-LmME957M1zOsUhG+67rAjKfiWFox3SBxE/yymatMZsAx+oMrJ0YQ8AToOnyCm7xbeg2ep37IHLxdu0o2MavQOQ==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-2.1.1.tgz",
+      "integrity": "sha512-GSL3aowiF7wa/WtSFwnUrludWFoNhftq8bUkH9pkzjpN2XSPOAYEgg6e0sS9s0rZwgJzJiQRPU18A6clnoW5wQ==",
       "dev": true,
       "dependencies": {
         "node-forge": "^1"
@@ -10988,15 +10988,16 @@
       }
     },
     "node_modules/webpack-dev-server": {
-      "version": "4.9.1",
-      "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-4.9.1.tgz",
-      "integrity": "sha512-CTMfu2UMdR/4OOZVHRpdy84pNopOuigVIsRbGX3LVDMWNP8EUgC5mUBMErbwBlHTEX99ejZJpVqrir6EXAEajA==",
+      "version": "4.11.1",
+      "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-4.11.1.tgz",
+      "integrity": "sha512-lILVz9tAUy1zGFwieuaQtYiadImb5M3d+H+L1zDYalYoDl0cksAB1UNyuE5MMWJrG6zR1tXkCP2fitl7yoUJiw==",
       "dev": true,
       "dependencies": {
         "@types/bonjour": "^3.5.9",
         "@types/connect-history-api-fallback": "^1.3.5",
         "@types/express": "^4.17.13",
         "@types/serve-index": "^1.9.1",
+        "@types/serve-static": "^1.13.10",
         "@types/sockjs": "^0.3.33",
         "@types/ws": "^8.5.1",
         "ansi-html-community": "^0.0.8",
@@ -11004,7 +11005,7 @@
         "chokidar": "^3.5.3",
         "colorette": "^2.0.10",
         "compression": "^1.7.4",
-        "connect-history-api-fallback": "^1.6.0",
+        "connect-history-api-fallback": "^2.0.0",
         "default-gateway": "^6.0.3",
         "express": "^4.17.3",
         "graceful-fs": "^4.2.6",
@@ -11015,7 +11016,7 @@
         "p-retry": "^4.5.0",
         "rimraf": "^3.0.2",
         "schema-utils": "^4.0.0",
-        "selfsigned": "^2.0.1",
+        "selfsigned": "^2.1.1",
         "serve-index": "^1.9.1",
         "sockjs": "^0.3.24",
         "spdy": "^4.0.2",
@@ -11028,6 +11029,10 @@
       "engines": {
         "node": ">= 12.13.0"
       },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      },
       "peerDependencies": {
         "webpack": "^4.37.0 || ^5.0.0"
       },
@@ -15736,9 +15741,9 @@
       }
     },
     "connect-history-api-fallback": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-1.6.0.tgz",
-      "integrity": "sha512-e54B99q/OUoH64zYYRf3HBP5z24G38h5D3qXu23JGRoigpX5Ss4r9ZnDk3g0Z8uQC2x2lPaJ+UlWBc1ZWBWdLg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/connect-history-api-fallback/-/connect-history-api-fallback-2.0.0.tgz",
+      "integrity": "sha512-U73+6lQFmfiNPrYbXqr6kZ1i1wiRqXnp2nhMsINseWXO8lDau0LGEffJ8kQi4EjLZympVgRdvqjAgiZ1tgzDDA==",
       "dev": true
     },
     "content-disposition": {
@@ -19417,9 +19422,9 @@
       "dev": true
     },
     "selfsigned": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-2.0.1.tgz",
-      "integrity": "sha512-LmME957M1zOsUhG+67rAjKfiWFox3SBxE/yymatMZsAx+oMrJ0YQ8AToOnyCm7xbeg2ep37IHLxdu0o2MavQOQ==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-2.1.1.tgz",
+      "integrity": "sha512-GSL3aowiF7wa/WtSFwnUrludWFoNhftq8bUkH9pkzjpN2XSPOAYEgg6e0sS9s0rZwgJzJiQRPU18A6clnoW5wQ==",
       "dev": true,
       "requires": {
         "node-forge": "^1"
@@ -20420,15 +20425,16 @@
       }
     },
     "webpack-dev-server": {
-      "version": "4.9.1",
-      "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-4.9.1.tgz",
-      "integrity": "sha512-CTMfu2UMdR/4OOZVHRpdy84pNopOuigVIsRbGX3LVDMWNP8EUgC5mUBMErbwBlHTEX99ejZJpVqrir6EXAEajA==",
+      "version": "4.11.1",
+      "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-4.11.1.tgz",
+      "integrity": "sha512-lILVz9tAUy1zGFwieuaQtYiadImb5M3d+H+L1zDYalYoDl0cksAB1UNyuE5MMWJrG6zR1tXkCP2fitl7yoUJiw==",
       "dev": true,
       "requires": {
         "@types/bonjour": "^3.5.9",
         "@types/connect-history-api-fallback": "^1.3.5",
         "@types/express": "^4.17.13",
         "@types/serve-index": "^1.9.1",
+        "@types/serve-static": "^1.13.10",
         "@types/sockjs": "^0.3.33",
         "@types/ws": "^8.5.1",
         "ansi-html-community": "^0.0.8",
@@ -20436,7 +20442,7 @@
         "chokidar": "^3.5.3",
         "colorette": "^2.0.10",
         "compression": "^1.7.4",
-        "connect-history-api-fallback": "^1.6.0",
+        "connect-history-api-fallback": "^2.0.0",
         "default-gateway": "^6.0.3",
         "express": "^4.17.3",
         "graceful-fs": "^4.2.6",
@@ -20447,7 +20453,7 @@
         "p-retry": "^4.5.0",
         "rimraf": "^3.0.2",
         "schema-utils": "^4.0.0",
-        "selfsigned": "^2.0.1",
+        "selfsigned": "^2.1.1",
         "serve-index": "^1.9.1",
         "sockjs": "^0.3.24",
         "spdy": "^4.0.2",
diff --git a/client/package.json b/client/package.json
index 38d2bbbc..c9c251f7 100644
--- a/client/package.json
+++ b/client/package.json
@@ -62,6 +62,6 @@
     "typescript": "^4.1.3",
     "webpack": "^5.56.1",
     "webpack-cli": "^4.3.1",
-    "webpack-dev-server": "^4.3.0"
+    "webpack-dev-server": "^4.11.1"
   }
 }