Update apt-cache before running apt-get install

Author: agrare

bin/before_install

@@ -2,7 +2,8 @@
 
 if [ -n "$CI" ]; then
   echo "== Installing system packages =="
-  sudo apt-get install libcurl4-openssl-dev
+  sudo apt-get update
+  sudo apt-get install -y libcurl4-openssl-dev
   echo
 fi