diff --git a/Dockerfile b/Dockerfile
index 16cfce6..4ad2fb2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM registry.sindominio.net/debian as builder
 
 RUN apt-get update && \
-	apt-get install -y --no-install-recommends curl
+	apt-get install -y --no-install-recommends curl gnupg2
 
 RUN echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list && \
 echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list