diff --git a/docker/Dockerfile b/docker/Dockerfile
index 771e670..7c92d3e 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -40,7 +40,7 @@ RUN set -ox pipefail \
     && archive="/tmp/factorio_headless_x64_$VERSION.tar.xz" \
     && mkdir -p /opt /factorio \
     && apt-get -q update \
-    && DEBIAN_FRONTEND=noninteractive apt-get -qy install ca-certificates curl jq pwgen xz-utils --no-install-recommends \
+    && DEBIAN_FRONTEND=noninteractive apt-get -qy install ca-certificates curl jq pwgen xz-utils procps --no-install-recommends \
     && curl -sSL "https://www.factorio.com/get-download/$VERSION/headless/linux64" -o "$archive" --retry $CURL_RETRIES\
     && echo "$SHA256  $archive" | sha256sum -c \
     || (sha256sum "$archive" && file "$archive" && exit 1) \