diff --git a/molecule/calico/overrides.yml b/molecule/calico/overrides.yml
index 4f56890..88d71cd 100644
--- a/molecule/calico/overrides.yml
+++ b/molecule/calico/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables
       ansible.builtin.set_fact:
diff --git a/molecule/cilium/overrides.yml b/molecule/cilium/overrides.yml
index 9ef8a57..236bd4b 100644
--- a/molecule/cilium/overrides.yml
+++ b/molecule/cilium/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables
       ansible.builtin.set_fact:
diff --git a/molecule/default/overrides.yml b/molecule/default/overrides.yml
index 77cb73e..6485896 100644
--- a/molecule/default/overrides.yml
+++ b/molecule/default/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables
       ansible.builtin.set_fact:
diff --git a/molecule/ipv6/overrides.yml b/molecule/ipv6/overrides.yml
index a73333b..2e51aee 100644
--- a/molecule/ipv6/overrides.yml
+++ b/molecule/ipv6/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables (1/2)
       ansible.builtin.set_fact:
diff --git a/molecule/kube-vip/overrides.yml b/molecule/kube-vip/overrides.yml
index cdfa090..5b4f1e4 100644
--- a/molecule/kube-vip/overrides.yml
+++ b/molecule/kube-vip/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables
       ansible.builtin.set_fact:
diff --git a/molecule/single_node/overrides.yml b/molecule/single_node/overrides.yml
index 17857be..e601096 100644
--- a/molecule/single_node/overrides.yml
+++ b/molecule/single_node/overrides.yml
@@ -1,6 +1,7 @@
 ---
 - name: Apply overrides
   hosts: all
+  serial: 1
   tasks:
     - name: Override host variables
       ansible.builtin.set_fact: