diff --git a/Rakefile b/Rakefile
index 5e291e2..13a08c2 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,6 +7,7 @@ def js_configuration(path)
 
   Dir.chdir(path) do
     FileUtils.cp(babel_file_path, "babel.config.json")
+    system("yarn add graphql-ws")
     system("yarn add @babel/plugin-proposal-private-methods")
     system("yarn add @babel/plugin-proposal-private-property-in-object")
   end
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..98a1a26
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "graphql-ws": "^5.16.0"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index fb57ccd..5ded913 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,3 +2,7 @@
 # yarn lockfile v1
 
 
+graphql-ws@^5.16.0:
+  version "5.16.0"
+  resolved "https://registry.yarnpkg.com/graphql-ws/-/graphql-ws-5.16.0.tgz#849efe02f384b4332109329be01d74c345842729"
+  integrity sha512-Ju2RCU2dQMgSKtArPbEtsK5gNLnsQyTNIo/T7cZNp96niC1x0KdJNZV0TIoilceBPQwfb5itrGl8pkFeOUMl4A==