diff --git a/arduino-ide-extension/src/browser/language/arduino-language-client-contribution.ts b/arduino-ide-extension/src/browser/language/arduino-language-client-contribution.ts
index dd2176c6..b22fdf00 100644
--- a/arduino-ide-extension/src/browser/language/arduino-language-client-contribution.ts
+++ b/arduino-ide-extension/src/browser/language/arduino-language-client-contribution.ts
@@ -2,6 +2,7 @@ import { injectable, inject, postConstruct } from 'inversify';
 import { BaseLanguageClientContribution } from '@theia/languages/lib/browser';
 import { BoardsServiceClientImpl } from '../boards/boards-service-client-impl';
 import { BoardsConfig } from '../boards/boards-config';
+import { Board, BoardPackage } from '../../common/protocol/boards-service';
 
 @injectable()
 export class ArduinoLanguageClientContribution extends BaseLanguageClientContribution {
@@ -25,6 +26,18 @@ export class ArduinoLanguageClientContribution extends BaseLanguageClientContrib
     @postConstruct()
     protected init() {
         this.boardsServiceClient.onBoardsConfigChanged(this.selectBoard.bind(this));
+        const restartIfAffected = (pkg: BoardPackage) => {
+            if (!this.boardConfig) {
+                this.restart();
+                return;
+            }
+            const { selectedBoard } = this.boardConfig;
+            if (selectedBoard && pkg.boards.some(board => Board.sameAs(board, selectedBoard))) {
+                this.restart();
+            }
+        }
+        this.boardsServiceClient.onBoardInstalled(({ pkg }) => restartIfAffected(pkg));
+        this.boardsServiceClient.onBoardUninstalled(({ pkg }) => restartIfAffected(pkg));
     }
 
     selectBoard(config: BoardsConfig.Config): void {