diff --git a/functions b/functions
index b47dd89..85ce941 100755
--- a/functions
+++ b/functions
@@ -83,7 +83,7 @@ dokku-ansible-deploy-dependencies() {
   dokku_col_log_info1_quiet "Ensuring the following packages are installed: $DEPENDENCIES"
 
   export DEBIAN_FRONTEND=noninteractive
-  apt install -y "$DEPENDENCIES"
+  apt update && apt install -y $DEPENDENCIES
 
   dokku_col_log_info1_quiet "Installing Ansible requirements"
   ansible-galaxy install --role-file "$REQUIREMENTS" --force