diff --git a/proxmoxtf/resource/container.go b/proxmoxtf/resource/container.go
index f3819a56..eb01b394 100644
--- a/proxmoxtf/resource/container.go
+++ b/proxmoxtf/resource/container.go
@@ -398,7 +398,7 @@ func Container() *schema.Resource {
 										Type:        schema.TypeList,
 										Description: "The list of DNS servers",
 										Optional:    true,
-										Elem:        &schema.Schema{Type: schema.TypeString, ValidateFunc: validation.IsIPv4Address},
+										Elem:        &schema.Schema{Type: schema.TypeString, ValidateFunc: validation.IsIPAddress},
 										MinItems:    0,
 									},
 								},
diff --git a/proxmoxtf/resource/vm.go b/proxmoxtf/resource/vm.go
index 03226cf2..c57cbda4 100644
--- a/proxmoxtf/resource/vm.go
+++ b/proxmoxtf/resource/vm.go
@@ -897,7 +897,7 @@ func VM() *schema.Resource {
 										Type:        schema.TypeList,
 										Description: "The list of DNS servers",
 										Optional:    true,
-										Elem:        &schema.Schema{Type: schema.TypeString, ValidateFunc: validation.IsIPv4Address},
+										Elem:        &schema.Schema{Type: schema.TypeString, ValidateFunc: validation.IsIPAddress},
 										MinItems:    0,
 									},
 								},