diff --git a/Dockerfile b/Dockerfile
index 1b5fe66..b0bcc8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,8 +16,7 @@ ENV USER=${APP_USER}
 
 RUN apt-get update && \
     apt-get install \
-    tzdata \
-    xz
+    tzdata
 
 # add s6 overlay
 ADD https://github.com/just-containers/s6-overlay/releases/download/v${BUILD_S6_OVERLAY_VERSION}/s6-overlay-noarch.tar.xz /tmp