diff --git a/install_openonload.sh b/install_openonload.sh
index 5984dab..0049ca4 100755
--- a/install_openonload.sh
+++ b/install_openonload.sh
@@ -29,7 +29,8 @@ log "Installing in $build_folder; logs available at $build_log"
 log
 
 log "Installing build packages:"
-cmd sudo apt install -y "${build_packages[@]}"
+cmd sudo apt update && \
+    cmd sudo apt install -y "${build_packages[@]}"
 log
 
 debsrc_filename="/tmp/$(basename $debsrc_url)"