diff --git a/modules/viquas/Dockerfile b/modules/viquas/Dockerfile
index a152d91..c33ae54 100644
--- a/modules/viquas/Dockerfile
+++ b/modules/viquas/Dockerfile
@@ -222,6 +222,7 @@ apt-get update && apt-get install -y --no-install-recommends \
         libtiff5 \
         liblzma5 \
         locales \
+        procps \
         unzip \
         zip \
         zlib1g