diff --git a/brianextension/.gitignore b/brianextension/.gitignore
index 26045fa..7272183 100644
--- a/brianextension/.gitignore
+++ b/brianextension/.gitignore
@@ -6,3 +6,4 @@ client/server
 env
 pygls.log
 *.py[cod]
+bundled/libs/
\ No newline at end of file
diff --git a/brianextension/requirements.txt b/brianextension/requirements.txt
index e26eb62..9420056 100644
--- a/brianextension/requirements.txt
+++ b/brianextension/requirements.txt
@@ -1,2 +1,2 @@
-pygls==1.0.2
+pygls==2.1.1
 brian2