diff --git a/flutter-android/Dockerfile b/flutter-android/Dockerfile
index 5874f6d..77612f1 100644
--- a/flutter-android/Dockerfile
+++ b/flutter-android/Dockerfile
@@ -31,6 +31,7 @@ RUN apt-get update && apt-get install -y \
     bash \
     libc6 \
     libstdc++6 \
+    gnupg \
     && rm -rf /var/lib/apt/lists/*
 
 # ===== Установка Node.js 20 через NodeSource (рекомендуемый способ 2025+) =====