diff --git a/Dockerfile b/Dockerfile
index 6d1e7a0855..8b73d56b03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -47,7 +47,7 @@ ENV METASPLOIT_GROUP=metasploit
 # used for the copy command
 RUN addgroup -S $METASPLOIT_GROUP
 
-RUN apk add --no-cache bash sqlite-libs nmap nmap-scripts nmap-nselibs postgresql-libs python2 python3 ncurses libcap su-exec alpine-sdk python2-dev openssl-dev
+RUN apk add --no-cache bash sqlite-libs nmap nmap-scripts nmap-nselibs postgresql-libs python2 python3 ncurses libcap su-exec alpine-sdk python2-dev openssl-dev nasm
 
 RUN /usr/sbin/setcap cap_net_raw,cap_net_bind_service=+eip $(which ruby)
 RUN /usr/sbin/setcap cap_net_raw,cap_net_bind_service=+eip $(which nmap)