diff --git a/Dockerfile b/Dockerfile
index 0452eed..3a9d9e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,7 +36,9 @@ RUN apk add --no-cache \
   python3 \
   su-exec \
   && apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing/ \
-    atomicparsley
+    atomicparsley \
+  && apk add --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main/ \
+    musl
 
 WORKDIR /app
 COPY --from=ffmpeg /usr/local/bin/ffmpeg /usr/local/bin/ffmpeg