diff --git a/python-pygls.spec b/python-pygls.spec
index da59521..5dfa8f0 100644
--- a/python-pygls.spec
+++ b/python-pygls.spec
@@ -40,6 +40,7 @@ BuildRequires:  %{python_module pytest-asyncio}
 Requires:       python-lsprotocol
 Requires:       python-specfile
 Requires:       python-typeguard
+Requires:       python-websockets
 BuildArch:      noarch
 %python_subpackages