diff --git a/package-lock.json b/package-lock.json
index 0cc7fb9..67e5067 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -613,7 +613,7 @@
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-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
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@@ -1733,7 +1733,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -1748,7 +1748,7 @@
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-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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@@ -1912,7 +1912,7 @@
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-          "resolved": "http://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
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@@ -2572,7 +2572,7 @@
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-          "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
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@@ -4283,7 +4283,7 @@
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-          "resolved": "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
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@@ -9315,7 +9315,7 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
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@@ -10898,7 +10898,7 @@
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-          "resolved": "http://registry.npmjs.org/through/-/through-1.1.2.tgz",
+          "resolved": "https://registry.npmjs.org/through/-/through-1.1.2.tgz",
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@@ -10997,7 +10997,7 @@
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-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
           "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI=",
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@@ -11119,7 +11119,7 @@
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-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -11134,7 +11134,7 @@
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-          "resolved": "http://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
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@@ -13248,7 +13248,7 @@
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-          "resolved": "http://registry.npmjs.org/async/-/async-2.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.0.1.tgz",
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@@ -13430,13 +13430,10 @@
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-      "resolved": "https://registry.npmjs.org/ws/-/ws-5.2.1.tgz",
-      "integrity": "sha512-2NkHdPKjDBj3CHdnAGNpmlliryKqF+n9MYXX7/wsVC4yqYocKreKNjydPDvT3wShAZnndlM0RytEfTALCDvz7A==",
-      "dev": true,
-      "requires": {
-        "async-limiter": "~1.0.0"
-      }
+      "version": "7.4.6",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+      "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+      "dev": true
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diff --git a/package.json b/package.json
index 11c5c9d..e4388ff 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "tape": "^4.9.1",
     "tempy": "^0.2.1",
     "tendermint-node": "^5.2.0",
-    "ws": "^5.2.1"
+    "ws": "^7.4.6"
   },
   "babel": {
     "presets": [