diff --git a/wireguard.sh b/wireguard.sh
index 20c107f..764ac10 100755
--- a/wireguard.sh
+++ b/wireguard.sh
@@ -8,7 +8,7 @@ fi
 # The repository from which we fetch new releases.
 WIREGUARD_REPO=WireGuard/wireguard-vyatta-ubnt
 
-WIREGUARD_INSTALLER_VERSION=1.3.1
+WIREGUARD_INSTALLER_VERSION=1.4.0
 
 declare -A SUPPORTED_BOARDS
 SUPPORTED_BOARDS=(