diff --git a/package-lock.json b/package-lock.json
index 0b59696..00c4126 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,6 +44,94 @@
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@@ -107,6 +195,15 @@
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       }
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+      "resolved": "https://registry.npmjs.org/@cosmjs/json-rpc/-/json-rpc-0.27.1.tgz",
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     "@cosmjs/launchpad": {
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       "resolved": "https://registry.npmjs.org/@cosmjs/launchpad/-/launchpad-0.23.0.tgz",
@@ -134,6 +231,259 @@
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+      "resolved": "https://registry.npmjs.org/@cosmjs/proto-signing/-/proto-signing-0.27.1.tgz",
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@@ -282,6 +632,11 @@
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     "@node-a-team/ts-amino": {
       "version": "0.0.1-alpha.2",
       "resolved": "https://registry.npmjs.org/@node-a-team/ts-amino/-/ts-amino-0.0.1-alpha.2.tgz",
@@ -303,6 +658,60 @@
         }
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+    "@protobufjs/aspromise": {
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       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.6.tgz",
@@ -4778,7 +5201,7 @@
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@@ -5555,6 +5978,11 @@
         "has-flag": "^3.0.0"
       }
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+    "symbol-observable": {
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+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-2.0.3.tgz",
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+    },
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@@ -5992,9 +6420,9 @@
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+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
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@@ -6181,52 +6609,22 @@
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-      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.11.tgz",
-      "integrity": "sha512-dXlfuml7xvAFwYUPsrtQAA9e4DOe58gnzSxhgrO/ZM/gyXTBowrsYeubyN4mqGhYdpXMFNyQ6emjJS9M7OBd4g==",
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-      "requires": {
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-        "supports-color": "6.1.0",
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-          "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
-          "integrity": "sha1-TapNnbAPmBmIDHn6RXrlsJof04k=",
-          "dev": true
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-        "enhanced-resolve": {
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-          "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-4.1.0.tgz",
-          "integrity": "sha512-F/7vkyTtyc/llOIn8oWclcB25KdRaiPBpZYDgJHgh/UHtpgT2p2eldQgtQnLtUvfMKPKxbRaQM/hHkvLHt1Vng==",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "memory-fs": "^0.4.0",
-            "tapable": "^1.0.0"
-          }
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-        "loader-utils": {
-          "version": "1.2.3",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.2.3.tgz",
-          "integrity": "sha512-fkpz8ejdnEMG3s37wGL07iSBDg99O9D5yflE9RGNH3hRdx9SOwYfnGYdZOUIZitN8E+E2vkq3MUMYMvPYl5ZZA==",
-          "dev": true,
-          "requires": {
-            "big.js": "^5.2.2",
-            "emojis-list": "^2.0.0",
-            "json5": "^1.0.1"
-          }
-        }
+      "version": "3.3.12",
+      "resolved": "https://registry.npmjs.org/webpack-cli/-/webpack-cli-3.3.12.tgz",
+      "integrity": "sha512-NVWBaz9k839ZH/sinurM+HcDvJOTXwSjYp1ku+5XKeOC03z8v5QitnK/x+lAxGXFyhdayoIf/GOpv85z3/xPag==",
+      "dev": true,
+      "requires": {
+        "chalk": "^2.4.2",
+        "cross-spawn": "^6.0.5",
+        "enhanced-resolve": "^4.1.1",
+        "findup-sync": "^3.0.0",
+        "global-modules": "^2.0.0",
+        "import-local": "^2.0.0",
+        "interpret": "^1.4.0",
+        "loader-utils": "^1.4.0",
+        "supports-color": "^6.1.0",
+        "v8-compile-cache": "^2.1.1",
+        "yargs": "^13.3.2"
       }
     },
     "webpack-dev-middleware": {
@@ -6583,6 +6981,15 @@
         "async-limiter": "~1.0.0"
       }
     },
+    "xstream": {
+      "version": "11.14.0",
+      "resolved": "https://registry.npmjs.org/xstream/-/xstream-11.14.0.tgz",
+      "integrity": "sha512-1bLb+kKKtKPbgTK6i/BaoAn03g47PpFstlbe1BA+y3pNS/LfvcaghS5BFf9+EE1J+KwSQsEpfJvFN5GqFtiNmw==",
+      "requires": {
+        "globalthis": "^1.0.1",
+        "symbol-observable": "^2.0.3"
+      }
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
@@ -6602,22 +7009,21 @@
       "dev": true
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     "yargs": {
-      "version": "13.2.4",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
-      "integrity": "sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
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         "cliui": "^5.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^2.0.1",
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         "set-blocking": "^2.0.0",
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.1.0"
+        "yargs-parser": "^13.1.2"
       }
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     "yargs-parser": {
diff --git a/package.json b/package.json
index 8c547e3..c5a72c3 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "html-webpack-plugin": "^4.3.0",
     "webpack": "^4.43.0",
-    "webpack-cli": "^3.3.11",
+    "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.11.0"
   },
   "dependencies": {