diff --git a/bin/before_install b/bin/before_install
index 8aee90c..9df6689 100755
--- a/bin/before_install
+++ b/bin/before_install
@@ -4,6 +4,7 @@ if [ -n "$CI" ]; then
   echo "== Installing system packages =="
   sudo apt-get update
   sudo apt-get install -y libcurl4-openssl-dev
+  sudo apt-get install -y libsodium-dev
   echo
 fi