diff --git a/metasploit/arm/Dockerfile b/metasploit/arm/Dockerfile
index e183f8e..4a5da5a 100644
--- a/metasploit/arm/Dockerfile
+++ b/metasploit/arm/Dockerfile
@@ -29,6 +29,7 @@ RUN set -xe \
                build-base \
                curl \
                git \
+               libffi-dev \
                libpcap-dev \
                libressl-dev \
                libxml2-dev \