diff --git a/README.md b/README.md
index 9d957b63630251e7bc52f4c5a0aa0c58fa8f63d5..02441e82c3da788f62dd7e2975c07efc0d27af5c 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ apt install -y apt-transport-https ca-certificates curl gnupg-agent \
 add-apt-repository \
    "deb [arch=amd64] https://download.docker.com/linux/debian \
    $(lsb_release -cs) stable"
+curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
 apt update
 apt install -y docker-ce docker-ce-cli containerd.io
 docker run hello-world