diff --git a/lifecycle/ak b/lifecycle/ak
index 15271b3103f8..2d52023bb997 100755
--- a/lifecycle/ak
+++ b/lifecycle/ak
@@ -56,7 +56,7 @@ function cleanup {
 function prepare_debug {
     export DEBIAN_FRONTEND=noninteractive
     apt-get update
-    apt-get install -y --no-install-recommends krb5-kdc krb5-user krb5-admin-server
+    apt-get install -y --no-install-recommends krb5-kdc krb5-user krb5-admin-server libkrb5-dev gcc
     VIRTUAL_ENV=/ak-root/venv poetry install --no-ansi --no-interaction
     touch /unittest.xml
     chown authentik:authentik /unittest.xml