diff --git a/make-ci.sh b/make-ci.sh
index 83c6885..be7f282 100755
--- a/make-ci.sh
+++ b/make-ci.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -e
-sudo apt-get install libhiredis-dev libev-dev
+sudo apt-get install -y libhiredis-dev libev-dev
 mkdir -p build
 cd build
 cmake ..