diff --git a/README.md b/README.md
index 730c17c1..d3327a7b 100644
--- a/README.md
+++ b/README.md
@@ -138,7 +138,7 @@ FROM debian:bullseye
 
 # add setup_cpp
 WORKDIR "/"
-RUN apt-get update -qq && apt-get install -y --no-install-recommends wget
+RUN apt-get update -qq && apt-get install -y --no-install-recommends apt-utils wget
 RUN wget "https://github.com/aminya/setup-cpp/releases/download/v0.2/setup_cpp_linux"
 RUN chmod +x ./setup_cpp_linux
 
diff --git a/building/docker/debian.dockerfile b/building/docker/debian.dockerfile
index 6fc37a29..cedb982e 100644
--- a/building/docker/debian.dockerfile
+++ b/building/docker/debian.dockerfile
@@ -3,7 +3,7 @@ FROM debian:bullseye
 
 # add setup_cpp
 WORKDIR "/"
-RUN apt-get update -qq && apt-get install -y --no-install-recommends wget
+RUN apt-get update -qq && apt-get install -y --no-install-recommends apt-utils wget
 RUN wget "https://github.com/aminya/setup-cpp/releases/download/v0.2/setup_cpp_linux"
 RUN chmod +x ./setup_cpp_linux