diff --git a/netdata/Dockerfile b/netdata/Dockerfile
index afd4edc..6daf85a 100644
--- a/netdata/Dockerfile
+++ b/netdata/Dockerfile
@@ -2,7 +2,10 @@
 FROM netdata/netdata:latest
 
 # Install msmtp for sending emails
-RUN apk add --no-cache msmtp msmtp-mta ca-certificates
+RUN apt-get update && \
+    apt-get install -y msmtp msmtp-mta ca-certificates && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
 # Set proper permissions for msmtp config
 RUN chmod 600 /etc/msmtprc || true