diff --git a/Dockerfile b/Dockerfile
index c4fdcc8..2da6365 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,9 +7,8 @@ ARG DEBCONF_NONINTERACTIVE_SEEN "true"
 RUN apt-get update \
     && apt-get --no-install-recommends -y install \
         curl \
-        swtpm \
+        7zip \
         wimtools \
-        p7zip-full \
         genisoimage \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*