diff --git a/.zuul.d/jobs.yaml b/.zuul.d/jobs.yaml
index 7aee5600..a5d9b7f0 100644
--- a/.zuul.d/jobs.yaml
+++ b/.zuul.d/jobs.yaml
@@ -274,6 +274,10 @@
         base_element: ubuntu-minimal
         release: 'xenial'
         mirror: "http://{{ zuul_site_mirror_fqdn }}/ubuntu"
+        env-vars:
+          DIB_APT_LOCAL_CACHE: '0'
+          DIB_DISABLE_APT_CLEANUP: '1'
+          DIB_DEBOOTSTRAP_EXTRA_ARGS: '--no-check-gpg'
 
 - job:
     name: dib-nodepool-functional-openstack-ubuntu-bionic
@@ -290,6 +294,10 @@
         base_element: ubuntu-minimal
         release: 'bionic'
         mirror: "http://{{ zuul_site_mirror_fqdn }}/ubuntu"
+        env-vars:
+          DIB_APT_LOCAL_CACHE: '0'
+          DIB_DISABLE_APT_CLEANUP: '1'
+          DIB_DEBOOTSTRAP_EXTRA_ARGS: '--no-check-gpg'
 
 - job:
     name: dib-nodepool-functional-openstack-ubuntu-bionic-src
@@ -305,6 +313,10 @@
         base_element: ubuntu-minimal
         release: 'bionic'
         mirror: "http://{{ zuul_site_mirror_fqdn }}/ubuntu"
+        env-vars:
+          DIB_APT_LOCAL_CACHE: '0'
+          DIB_DISABLE_APT_CLEANUP: '1'
+          DIB_DEBOOTSTRAP_EXTRA_ARGS: '--no-check-gpg'
 
 - job:
     name: dib-nodepool-functional-openstack-gentoo-src
@@ -332,6 +344,10 @@
         base_element: debian-minimal
         release: 'stretch'
         mirror: "http://{{ zuul_site_mirror_fqdn }}/debian"
+        env-vars:
+          DIB_APT_LOCAL_CACHE: '0'
+          DIB_DISABLE_APT_CLEANUP: '1'
+          DIB_DEBOOTSTRAP_EXTRA_ARGS: '--no-check-gpg'
 
 - job:
     name: dib-nodepool-functional-openstack-debian-buster-src
@@ -347,6 +363,10 @@
         base_element: debian-minimal
         release: 'buster'
         mirror: "http://{{ zuul_site_mirror_fqdn }}/debian"
+        env-vars:
+          DIB_APT_LOCAL_CACHE: '0'
+          DIB_DISABLE_APT_CLEANUP: '1'
+          DIB_DEBOOTSTRAP_EXTRA_ARGS: '--no-check-gpg'
 
 - job:
     name: dib-nodepool-functional-openstack-opensuse-15-src