diff --git a/Dockerfile b/Dockerfile
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,7 +27,7 @@
 RUN apt-get update && apt-get install -y ca-certificates curl libxml2 autoconf \
     libedit-dev libsqlite3-dev xz-utils \
     gcc libc-dev make pkg-config nginx-full \
-    runit nano less tmux wget git locales \
+    runit nano less tmux wget git locales unzip \
     $PHP_BUILD_DEPS $PHP_EXTRA_BUILD_DEPS \
     --no-install-recommends && rm -r /var/lib/apt/lists/* \
     && dpkg-reconfigure locales
diff --git a/novolume/Dockerfile b/novolume/Dockerfile
--- a/novolume/Dockerfile
+++ b/novolume/Dockerfile
@@ -27,7 +27,7 @@
 RUN apt-get update && apt-get install -y ca-certificates curl libxml2 autoconf \
     libedit-dev libsqlite3-dev xz-utils \
     gcc libc-dev make pkg-config nginx-full \
-    runit nano less tmux wget git locales \
+    runit nano less tmux wget git locales unzip \
     $PHP_BUILD_DEPS $PHP_EXTRA_BUILD_DEPS \
     --no-install-recommends && rm -r /var/lib/apt/lists/* \
     && dpkg-reconfigure locales