diff --git a/package.json b/package.json
index f965aeb..fd74b39 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@akala/server": "^2.1.12",
     "@domojs/theme-default": "^1.1.24",
     "@types/debug": "^4.1.0",
-    "@types/ws": "^6.0.1",
+    "@types/ws": "^7.4.0",
     "popper.js": "^1.14.7"
   },
   "homepage": "https://github.com/domojs/chat#readme",
diff --git a/yarn.lock b/yarn.lock
index 57b4acc..7aa5986 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -563,10 +563,10 @@
     "@types/webpack-sources" "*"
     source-map "^0.6.0"
 
-"@types/ws@^6.0.1":
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-6.0.4.tgz#7797707c8acce8f76d8c34b370d4645b70421ff1"
-  integrity sha512-PpPrX7SZW9re6+Ha8ojZG4Se8AZXgf0GK6zmfqEuCsY49LFDNXO3SByp44X3dFEqtB73lkCDAdUazhAjVPiNwg==
+"@types/ws@^7.4.0":
+  version "7.4.0"
+  resolved "https://registry.yarnpkg.com/@types/ws/-/ws-7.4.0.tgz#499690ea08736e05a8186113dac37769ab251a0e"
+  integrity sha512-Y29uQ3Uy+58bZrFLhX36hcI3Np37nqWE7ky5tjiDoy1GDZnIwVxS0CgF+s+1bXMzjKBFy+fqaRfb708iNzdinw==
   dependencies:
     "@types/node" "*"