diff --git a/Makefile b/Makefile
index c0af1b3..47e9035 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ VERSION ?= latest
 GITHUB_USERNAME := int128
 GITHUB_REPONAME := slack-docker
 LDFLAGS := -X main.version=$(VERSION)
-OSARCH := linux_arm64 linux_amd64 darwin_amd64 windows_amd64
+OSARCH := linux_arm64 linux_amd64 darwin_amd64 windows_amd64 linux_arm
 
 $(TARGET):
 	go build -o $@ -ldflags "$(LDFLAGS)"