diff --git a/package-lock.json b/package-lock.json
index ca274e98..bd3ed80a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -348,9 +348,9 @@
       "dev": true
     },
     "@types/ws": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-7.4.0.tgz",
-      "integrity": "sha512-Y29uQ3Uy+58bZrFLhX36hcI3Np37nqWE7ky5tjiDoy1GDZnIwVxS0CgF+s+1bXMzjKBFy+fqaRfb708iNzdinw==",
+      "version": "7.4.7",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-7.4.7.tgz",
+      "integrity": "sha512-JQbbmxZTZehdc2iszGKs5oC3NFnjeay7mtAWrdt7qNtAVK0g19muApzAy4bm9byz79xa2ZnO/BOBC2R8RC5Lww==",
       "dev": true,
       "requires": {
         "@types/node": "*"
@@ -816,9 +816,9 @@
       }
     },
     "ws": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.3.tgz",
-      "integrity": "sha512-hr6vCR76GsossIRsr8OLR9acVVm1jyfEWvhbNjtgPOrfvAlKzvyeg/P6r8RuDjRyrcQoPQT7K0DGEPc7Ae6jzA=="
+      "version": "7.5.9",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.9.tgz",
+      "integrity": "sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q=="
     },
     "yn": {
       "version": "3.1.1",
diff --git a/package.json b/package.json
index 211a5ef6..c8ccb84d 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "typescript": "3.9.9",
     "wabt": "1.0.12",
     "whatwg-url": "8.0.0",
-    "ws": "7.4.3"
+    "ws": "7.5.9"
   },
   "devDependencies": {
     "@types/babel__core": "7.1.12",
@@ -46,7 +46,7 @@
     "@types/mime": "2.0.3",
     "@types/node": "12.20.4",
     "@types/uuid": "8.3.0",
-    "@types/ws": "7.4.0",
+    "@types/ws": "7.4.7",
     "fast-check": "2.11.0",
     "uuid": "8.3.2"
   }