diff --git a/Dockerfile b/Dockerfile
index 9b6b59c..9752dd3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,6 +3,7 @@ FROM ubuntu:latest
 RUN apt update -y && apt install -y make
 RUN apt install -y git
 RUN apt install -y gcc
+RUN apt install -y gawk
 RUN gcc --version
 RUN apt install -y build-essential
 RUN git clone https://github.com/usnistgov/SCTK.git