diff --git a/ansible/vars.yml b/ansible/vars.yml
index 435945901..a81a519db 100644
--- a/ansible/vars.yml
+++ b/ansible/vars.yml
@@ -9,7 +9,7 @@ postgres_major:
 # Full version strings for each major version
 postgres_release:
   postgresorioledb-17: "17.0.1.047-orioledb"
-  postgres15: "15.8.1.054"
+  postgres15: "15.8.1.055"
 
 # Non Postgres Extensions
 pgbouncer_release: "1.19.0"
diff --git a/ebssurrogate/scripts/qemu-bootstrap-nix.sh b/ebssurrogate/scripts/qemu-bootstrap-nix.sh
index 0fe8b97c1..2f72c5f70 100755
--- a/ebssurrogate/scripts/qemu-bootstrap-nix.sh
+++ b/ebssurrogate/scripts/qemu-bootstrap-nix.sh
@@ -145,4 +145,5 @@ install_nix
 execute_stage2_playbook
 # we do not want to ship an initialized DB as this is performed as needed
 rm -rf /data/pgdata
+clean_system
 cloud-init clean --logs