diff --git a/scripts/install-docker b/scripts/install-docker
index ba83305..b2cade4 100755
--- a/scripts/install-docker
+++ b/scripts/install-docker
@@ -6,6 +6,7 @@ export DEBIAN_FRONTEND=noninteractive
 
 DOCKER_VERSION=${1}
 
+apt-get update
 apt-get -y install \
     apt-transport-https \
     ca-certificates \