diff --git a/build.sh b/build.sh
index 17d514c..2e63bb8 100755
--- a/build.sh
+++ b/build.sh
@@ -14,4 +14,8 @@ env GOOS=darwin GOARCH=amd64 go build -o ./build/osx_amd64/mailrelay-osx-amd64
 
 # build OpenBSD
 echo building OpenBSD...
-env GOOS=openbsd GOARCH=amd64 go build -o ./build/openbsd_amd64/mailrelay-openbsd-amd64
\ No newline at end of file
+env GOOS=openbsd GOARCH=amd64 go build -o ./build/openbsd_amd64/mailrelay-openbsd-amd64
+
+# build Linux ARM64 (Raspberry PI)
+echo building Linux ARM64 (Raspberry PI)...
+env GOOS=linux GOARCH=arm go build -o ./build/linux_amd64/mailrelay-linux-arm64
\ No newline at end of file