diff --git a/Dockerfile b/Dockerfile
index b5dc284..b38b451 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,5 +22,5 @@
 
 FROM dimkr/c-dev:clang
 
-RUN apt-get -qq update && apt-get -y install binwalk
+RUN apt-get -qq update && apt-get -y install binwalk cmake
 RUN for i in arm-any32-linux-musleabi armeb-any32-linux-musleabi mips-any32-linux-musl mipsel-any32-linux-musl i386-any32-linux-musl; do wget -qO- https://github.com/dimkr/toolchains/releases/latest/download/$i.tar.gz | tar -xzf - -C /; done