diff --git a/barbican/values.yaml b/barbican/values.yaml
index 3b39ce0d..b9b16021 100644
--- a/barbican/values.yaml
+++ b/barbican/values.yaml
@@ -35,7 +35,7 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
 
 network:
   api:
diff --git a/cinder/values.yaml b/cinder/values.yaml
index 6f9f9695..7c1f6c42 100644
--- a/cinder/values.yaml
+++ b/cinder/values.yaml
@@ -47,7 +47,7 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
 
 keystone:
   admin_user: "admin"
diff --git a/glance/values.yaml b/glance/values.yaml
index df0917e3..dde993ff 100644
--- a/glance/values.yaml
+++ b/glance/values.yaml
@@ -48,9 +48,9 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
   registry:
-    min_available: 1
+    min_available: 0
 
 bootstrap:
   enabled: true
diff --git a/heat/values.yaml b/heat/values.yaml
index d0286796..49cf0066 100644
--- a/heat/values.yaml
+++ b/heat/values.yaml
@@ -50,11 +50,11 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
   cfn:
-    min_available: 1
+    min_available: 0
   cloudwatch:
-    min_available: 1
+    min_available: 0
 
 keystone_secrets:
   admin: "heat-env-keystone-admin"
diff --git a/horizon/values.yaml b/horizon/values.yaml
index 66eb9442..5bd6aa22 100644
--- a/horizon/values.yaml
+++ b/horizon/values.yaml
@@ -33,7 +33,7 @@ upgrades:
 
 pod_disruption_budget:
   horizon:
-    min_available: 1
+    min_available: 0
 
 labels:
   node_selector_key: openstack-control-plane
diff --git a/keystone/values.yaml b/keystone/values.yaml
index e78563ef..b77f2f8c 100644
--- a/keystone/values.yaml
+++ b/keystone/values.yaml
@@ -39,7 +39,7 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
 
 keystone:
   version: v3
diff --git a/magnum/values.yaml b/magnum/values.yaml
index 1b49dfc1..04164c55 100644
--- a/magnum/values.yaml
+++ b/magnum/values.yaml
@@ -46,7 +46,7 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
 
 keystone_secrets:
   admin: "magnum-env-keystone-admin"
diff --git a/mistral/values.yaml b/mistral/values.yaml
index b197f7aa..0884cd07 100644
--- a/mistral/values.yaml
+++ b/mistral/values.yaml
@@ -50,7 +50,7 @@ upgrades:
 
 pod_disruption_budget:
   api:
-    min_available: 1
+    min_available: 0
 
 keystone_secrets:
   admin: "mistral-env-keystone-admin"
diff --git a/nova/values.yaml b/nova/values.yaml
index 3bc7ff88..ac4397f0 100644
--- a/nova/values.yaml
+++ b/nova/values.yaml
@@ -77,9 +77,9 @@ upgrades:
 
 pod_disruption_budget:
   metadata:
-    min_available: 1
+    min_available: 0
   osapi:
-    min_available: 1
+    min_available: 0
 
 bootstrap:
   enabled: true