diff --git a/tools/docker.sh b/tools/docker.sh
index 29b7509..dfd02b9 100755
--- a/tools/docker.sh
+++ b/tools/docker.sh
@@ -4,7 +4,7 @@ set -e
 
 for tag in latest $(git tag --points-at | sed s/^v//); do
   docker buildx build \
-    --platform linux/amd64,linux/arm64 \
+    --platform linux/amd64,linux/arm64,linux/riscv64 \
     --tag raviqqe/muffet:$tag \
     --push \
     .