diff --git a/packages/daemon/package-lock.json b/packages/daemon/package-lock.json
index 20e9acf66..c1bf95315 100644
--- a/packages/daemon/package-lock.json
+++ b/packages/daemon/package-lock.json
@@ -43,7 +43,7 @@
       },
       "devDependencies": {
         "@relaycorp/relaynet-testing": "^2.2.26",
-        "@relaycorp/ws-mock": "^2.4.1",
+        "@relaycorp/ws-mock": "^5.2.12",
         "@types/default-gateway": "^3.0.1",
         "@types/is-valid-domain": "0.0.1",
         "@types/jest": "^27.0.3",
@@ -1359,13 +1359,13 @@
       }
     },
     "node_modules/@relaycorp/ws-mock": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/@relaycorp/ws-mock/-/ws-mock-2.5.2.tgz",
-      "integrity": "sha512-8Kf8wPD9dsksu/5aCOpMmUyN86L8AONiyarLzSAl1gkfXMlHioxEoI0OIvTExmR5C9eCDlm1BtgYVq6+zbnGHA==",
+      "version": "5.2.12",
+      "resolved": "https://registry.npmjs.org/@relaycorp/ws-mock/-/ws-mock-5.2.12.tgz",
+      "integrity": "sha512-n7NehuMLdIRZeyCHXIrlGfg7cDJF67QJrIoUrRcOnF2Lv77E6sLj6bjCzXfQFnN+RAs+dMygtL4RnbnYCs0xxA==",
       "dev": true,
       "dependencies": {
         "buffer-to-arraybuffer": "0.0.6",
-        "ws": "^7.5.3"
+        "ws": "^8.17.1"
       },
       "engines": {
         "node": ">=12"
@@ -1374,27 +1374,6 @@
         "ws": ">= 7.4.1 < 8"
       }
     },
-    "node_modules/@relaycorp/ws-mock/node_modules/ws": {
-      "version": "7.5.9",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.9.tgz",
-      "integrity": "sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==",
-      "dev": true,
-      "engines": {
-        "node": ">=8.3.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": "^5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@sinonjs/commons": {
       "version": "1.8.3",
       "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.3.tgz",
@@ -8288,22 +8267,13 @@
       }
     },
     "@relaycorp/ws-mock": {
-      "version": "2.5.2",
-      "resolved": "https://registry.npmjs.org/@relaycorp/ws-mock/-/ws-mock-2.5.2.tgz",
-      "integrity": "sha512-8Kf8wPD9dsksu/5aCOpMmUyN86L8AONiyarLzSAl1gkfXMlHioxEoI0OIvTExmR5C9eCDlm1BtgYVq6+zbnGHA==",
+      "version": "5.2.12",
+      "resolved": "https://registry.npmjs.org/@relaycorp/ws-mock/-/ws-mock-5.2.12.tgz",
+      "integrity": "sha512-n7NehuMLdIRZeyCHXIrlGfg7cDJF67QJrIoUrRcOnF2Lv77E6sLj6bjCzXfQFnN+RAs+dMygtL4RnbnYCs0xxA==",
       "dev": true,
       "requires": {
         "buffer-to-arraybuffer": "0.0.6",
-        "ws": "^7.5.3"
-      },
-      "dependencies": {
-        "ws": {
-          "version": "7.5.9",
-          "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.9.tgz",
-          "integrity": "sha512-F+P9Jil7UiSKSkppIiD94dN07AwvFixvLIj1Og1Rl9GGMuNipJnV9JzjD6XuqmAeiswGvUmNLjr5cFuXwNS77Q==",
-          "dev": true,
-          "requires": {}
-        }
+        "ws": "^8.17.1"
       }
     },
     "@sinonjs/commons": {
diff --git a/packages/daemon/package.json b/packages/daemon/package.json
index e43061c6e..1ce6c051b 100644
--- a/packages/daemon/package.json
+++ b/packages/daemon/package.json
@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "@relaycorp/relaynet-testing": "^2.2.26",
-    "@relaycorp/ws-mock": "^2.4.1",
+    "@relaycorp/ws-mock": "^5.2.12",
     "@types/default-gateway": "^3.0.1",
     "@types/is-valid-domain": "0.0.1",
     "@types/jest": "^27.0.3",