diff --git a/tools/docker.sh b/tools/docker.sh
index 943f1674..40b3b6b9 100644
--- a/tools/docker.sh
+++ b/tools/docker.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # Fixup some dependencies missing from the ubuntu:bionic image
-apt install locales curl lsb-release net-tools git
+apt install locales curl lsb-release net-tools git -y
 
 cd ~
 rm -rf mailinabox/