diff --git a/scripts/ci/bootstrap-apt.sh b/scripts/ci/bootstrap-apt.sh
index d78d8bd..661d1f9 100755
--- a/scripts/ci/bootstrap-apt.sh
+++ b/scripts/ci/bootstrap-apt.sh
@@ -2,15 +2,15 @@
 
 set -euo pipefail
 
-printf 'Acquire::http::Proxy "http://10.64.44.6:3142";\n' >/etc/apt/apt.conf.d/80proxy
-
 export DEBIAN_FRONTEND=noninteractive
 
 apt-get update
+printf 'Acquire::http::Proxy "http://10.64.44.6:3142";\n' >/etc/apt/apt.conf.d/80proxy
+apt-get upgrade -y
+apt-get install -y --no-install-recommends build-essential
 apt-get install -y --no-install-recommends \
   autoconf \
   automake \
-  build-essential \
   ca-certificates \
   cmake \
   curl \