diff --git a/cmd/processor/Dockerfile b/cmd/processor/Dockerfile
index a53d857..a5e2140 100644
--- a/cmd/processor/Dockerfile
+++ b/cmd/processor/Dockerfile
@@ -1,7 +1,7 @@
 FROM ubuntu:20.04
 LABEL maintainer="Canonical Sustaining Engineering <edward.hope-morley@canonical.com>"
 
-RUN apt update -yyq && apt -yyq install ca-certificates git xz-utils python3 python3-yaml coreutils bsdmainutils jq bc python3-simplejson python3-pip
+RUN apt update -yyq && apt -yyq install ca-certificates git xz-utils python3 python3-yaml coreutils bsdmainutils jq bc python3-simplejson python3-pip patool
 RUN update-ca-certificates
 RUN mkdir /etc/athena/