diff --git a/Dockerfile b/Dockerfile
index 5198d75..b4db92a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,6 +14,6 @@ RUN apt-get update && \
 		git \
 		curl \
 		yamllint \
-		bsd-mailx \
+		s-nail \
 	&& apt-get clean && \
 	rm -rf /var/lib/apt/lists/* /var/tmp/* /tmp/*