diff --git a/install/kubernetes/github-actions-cache-server/templates/poddisruptionbudget.yaml b/install/kubernetes/github-actions-cache-server/templates/poddisruptionbudget.yaml
new file mode 100644
index 0000000..9b59951
--- /dev/null
+++ b/install/kubernetes/github-actions-cache-server/templates/poddisruptionbudget.yaml
@@ -0,0 +1,21 @@
+{{- if .Values.pdb.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "github-actions-cache-server.fullname" . }}
+  labels:
+    {{- include "github-actions-cache-server.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "github-actions-cache-server.selectorLabels" . | nindent 6 }}
+  {{- if hasKey .Values.pdb "minAvailable" }}
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  {{- else if hasKey .Values.pdb "maxUnavailable" }}
+  maxUnavailable: {{ .Values.pdb.maxUnavailable }}
+  {{- else }}
+  minAvailable: 1
+  {{- end }}
+{{- end }}
+
+
diff --git a/install/kubernetes/github-actions-cache-server/values.yaml b/install/kubernetes/github-actions-cache-server/values.yaml
index acc45f8..28e1ffd 100644
--- a/install/kubernetes/github-actions-cache-server/values.yaml
+++ b/install/kubernetes/github-actions-cache-server/values.yaml
@@ -135,3 +135,13 @@ sidecars: []
 # Init containers to run before the main cache server container starts
 initContainers: []
 
+#
+# Pod Disruption Budget (PDB)
+# Helps ensure not all Pods are evicted simultaneously during voluntary disruptions.
+# Disabled by default to avoid blocking evictions on single-replica setups.
+#
+pdb:
+  enabled: false
+  minAvailable: 1
+  # maxUnavailable: 1
+