diff --git a/Dockerfile b/Dockerfile
index 5b34c12..9551759 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ ENV pip_packages "ansible cryptography"
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
        sudo systemd systemd-sysv \
-       build-essential wget libffi-dev libssl-dev \
+       build-essential wget libffi-dev libssl-dev procps \
        python3-pip python3-dev python3-setuptools python3-wheel \
     && rm -rf /var/lib/apt/lists/* \
     && rm -Rf /usr/share/doc && rm -Rf /usr/share/man \