diff --git a/package-lock.json b/package-lock.json
index 2c6577d..5c9b38b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3683,15 +3683,15 @@
       }
     },
     "rollup-plugin-terser": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.2.tgz",
-      "integrity": "sha512-sWKBCOS+vUkRtHtEiJPAf+WnBqk/C402fBD9AVHxSIXMqjsY7MnYWKYEUqGixtr0c8+1DjzUEPlNgOYQPVrS1g==",
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-terser/-/rollup-plugin-terser-5.1.3.tgz",
+      "integrity": "sha512-FuFuXE5QUJ7snyxHLPp/0LFXJhdomKlIx/aK7Tg88Yubsx/UU/lmInoJafXJ4jwVVNcORJ1wRUC5T9cy5yk0wA==",
       "dev": true,
       "requires": {
         "@babel/code-frame": "^7.0.0",
         "jest-worker": "^24.6.0",
         "rollup-pluginutils": "^2.8.1",
-        "serialize-javascript": "^1.7.0",
+        "serialize-javascript": "^2.1.2",
         "terser": "^4.1.0"
       }
     },
@@ -3795,9 +3795,9 @@
       }
     },
     "serialize-javascript": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.9.1.tgz",
-      "integrity": "sha512-0Vb/54WJ6k5v8sSWN09S0ora+Hnr+cX40r9F170nT+mSkaxltoE/7R3OrIdBSUv1OoiobH1QoWQbCnAO+e8J1A==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+      "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
       "dev": true
     },
     "serve-index": {
@@ -4321,9 +4321,9 @@
       }
     },
     "terser": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.1.tgz",
-      "integrity": "sha512-e05giplw+8sIYh50qXYHZmr0b76O5dOSm9JwSDebGFLri4ItYzxsnumiAK+yuI56R+H7uIjT9KbVEKNkrprzHw==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.4.2.tgz",
+      "integrity": "sha512-Uufrsvhj9O1ikwgITGsZ5EZS6qPokUOkCegS7fYOdGTv+OA90vndUbU6PEjr5ePqHfNUbGyMO7xyIZv2MhsALQ==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -4664,7 +4664,6 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/y-protocols/-/y-protocols-0.1.0.tgz",
       "integrity": "sha512-CQCCcexfTNI7wyvVlaTuOOuaWxuD4SkmZbwyIZVGKglAuC+ruivLmbB14b1oN1CdMPhlUkKsz6524o5sWdKNnA==",
-      "dev": true,
       "requires": {
         "lib0": "^0.1.0"
       }
diff --git a/package.json b/package.json
index 6fe9bce..91c01d1 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,8 @@
   },
   "dependencies": {
     "simple-peer": "^9.6.2",
-    "lib0": "^0.1.6"
+    "lib0": "^0.1.6",
+    "y-protocols": "^0.1.0"
   },
   "devDependencies": {
     "concurrently": "^5.0.0",
@@ -51,9 +52,8 @@
     "rollup-cli": "^1.0.9",
     "rollup-plugin-commonjs": "^10.1.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-terser": "^5.1.2",
+    "rollup-plugin-terser": "^5.1.3",
     "standard": "^12.0.1",
-    "y-protocols": "^0.1.0",
     "yjs": "^13.0.0-102"
   },
   "peerDependenies": {