diff --git a/test-nspawn b/test-nspawn
index b2a03ba..ac0810e 100755
--- a/test-nspawn
+++ b/test-nspawn
@@ -12,6 +12,7 @@ then
 elif [ $1 = 'run-tests' ]
 then
     apt update
+    apt full-upgrade -y
     apt install -y wget ca-certificates gnupg2 git ansible postgresql sudo python3
     id testuser || adduser --disabled-password --gecos "" testuser
     usermod -a -G sudo testuser