diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 69c6007..a82e54d 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -13,7 +13,8 @@ ENV \
     S6_BEHAVIOUR_IF_STAGE2_FAILS=2 \
     S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0 \
     S6_CMD_WAIT_FOR_SERVICES=1 \
-    S6_SERVICES_READYTIME=50
+    S6_SERVICES_READYTIME=50 \
+    UV_EXTRA_INDEX_URL="https://wheels.home-assistant.io/musllinux-index/"
 
 # Set shell
 SHELL ["/bin/ash", "-o", "pipefail", "-c"]