diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 95cf7ebb1..9501152bf 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -12,7 +12,7 @@ variables:
   PYTHONUNBUFFERED: 1
   YARN_CACHE_FOLDER: $(Pipeline.Workspace)/.yarn
   PY_JLSP_VERSION: 0.6.0b0
-  JS_JLLSP_VERSION: 0.5.0
+  JS_JLLSP_VERSION: 0.6.0
 
 jobs:
   - template: ci/job.test.yml
diff --git a/package.json b/package.json
index 650423b93..e5a2e9a1c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@krassowski/jupyterlab-lsp",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "description": "Language Server Protocol integration for JupyterLab",
   "keywords": [
     "jupyter",
diff --git a/src/adapters/jupyterlab/jl_adapter.ts b/src/adapters/jupyterlab/jl_adapter.ts
index d36ebf300..f19340d46 100644
--- a/src/adapters/jupyterlab/jl_adapter.ts
+++ b/src/adapters/jupyterlab/jl_adapter.ts
@@ -81,7 +81,7 @@ export abstract class JupyterLabWidgetAdapter
   >;
   protected abstract current_completion_connector: LSPConnector;
   private _tooltip: FreeTooltip;
-  protected connection_manager: DocumentConnectionManager;
+  public connection_manager: DocumentConnectionManager;
 
   protected constructor(
     protected app: JupyterFrontEnd,
@@ -189,6 +189,10 @@ export abstract class JupyterLabWidgetAdapter
     this.connection_manager.connect_document_signals(virtual_document);
     virtual_document.changed.connect(this.document_changed.bind(this));
     await this.connect(virtual_document).catch(console.warn);
+
+    virtual_document.foreign_document_opened.connect((host, context) => {
+      this.connect(context.foreign_document).catch(console.warn);
+    });
   }
 
   document_changed(virtual_document: VirtualDocument) {