diff --git a/tools/travis-before-install.sh b/tools/travis-before-install.sh
index 81737af89e64..65aa4ad13108 100755
--- a/tools/travis-before-install.sh
+++ b/tools/travis-before-install.sh
@@ -9,6 +9,7 @@ free -m
 df -h
 ulimit -a
 
+sudo apt update
 sudo apt install gfortran eatmydata libgfortran5
 
 if [ "$USE_DEBUG" ]