diff --git a/castai/resource_node_template.go b/castai/resource_node_template.go
index cde251b7..f5d23630 100644
--- a/castai/resource_node_template.go
+++ b/castai/resource_node_template.go
@@ -336,10 +336,9 @@ func resourceNodeTemplate() *schema.Resource {
 							Description:      "Key of a taint to be added to nodes created from this template.",
 						},
 						FieldValue: {
-							Required:         true,
-							Type:             schema.TypeString,
-							ValidateDiagFunc: validation.ToDiagFunc(validation.StringIsNotWhiteSpace),
-							Description:      "Value of a taint to be added to nodes created from this template.",
+							Optional:    true,
+							Type:        schema.TypeString,
+							Description: "Value of a taint to be added to nodes created from this template.",
 						},
 						FieldEffect: {
 							Optional: true,
diff --git a/castai/resource_node_template_test.go b/castai/resource_node_template_test.go
index 89426068..550f7c63 100644
--- a/castai/resource_node_template_test.go
+++ b/castai/resource_node_template_test.go
@@ -374,7 +374,7 @@ func TestAccResourceNodeTemplate_basic(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "custom_labels.%", "2"),
 					resource.TestCheckResourceAttr(resourceName, "custom_labels."+rName+"-label-key-1", rName+"-label-value-1"),
 					resource.TestCheckResourceAttr(resourceName, "custom_labels."+rName+"-label-key-2", rName+"-label-value-2"),
-					resource.TestCheckResourceAttr(resourceName, "custom_taints.#", "3"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.#", "4"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.0.key", rName+"-taint-key-1"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.0.value", rName+"-taint-value-1"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.0.effect", "NoSchedule"),
@@ -384,6 +384,9 @@ func TestAccResourceNodeTemplate_basic(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.2.key", rName+"-taint-key-3"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.2.value", rName+"-taint-value-3"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.2.effect", "NoSchedule"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.3.key", rName+"-taint-key-4"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.3.value", ""),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.3.effect", "NoSchedule"),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.instance_families.0.exclude.0", "m5"),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.gpu.0.manufacturers.0", "NVIDIA"),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.gpu.0.include_names.#", "0"),
@@ -423,9 +426,11 @@ func TestAccResourceNodeTemplate_basic(t *testing.T) {
 					resource.TestCheckResourceAttr(resourceName, "custom_labels.%", "2"),
 					resource.TestCheckResourceAttr(resourceName, "custom_labels."+rName+"-label-key-1", rName+"-label-value-1"),
 					resource.TestCheckResourceAttr(resourceName, "custom_labels."+rName+"-label-key-2", rName+"-label-value-2"),
-					resource.TestCheckResourceAttr(resourceName, "custom_taints.#", "1"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.#", "2"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.0.key", rName+"-taint-key-1"),
 					resource.TestCheckResourceAttr(resourceName, "custom_taints.0.value", rName+"-taint-value-1"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.1.key", rName+"-taint-key-2"),
+					resource.TestCheckResourceAttr(resourceName, "custom_taints.1.value", ""),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.use_spot_fallbacks", "true"),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.spot", "true"),
 					resource.TestCheckResourceAttr(resourceName, "constraints.0.on_demand", "true"),
@@ -487,6 +492,10 @@ func testAccNodeTemplateConfig(rName, clusterName string) string {
 				value = "%[1]s-taint-value-3"
 			}
 
+			custom_taints {
+				key = "%[1]s-taint-key-4"
+			}
+
 			constraints {
 				fallback_restore_rate_seconds = 1800
 				spot = true
@@ -531,6 +540,11 @@ func testNodeTemplateUpdated(rName, clusterName string) string {
 				effect = "NoSchedule"
 			}
 
+			custom_taints {
+				key = "%[1]s-taint-key-2"
+				effect = "NoSchedule"
+			}
+
 			constraints {
 				use_spot_fallbacks = true
 				spot = true
diff --git a/docs/resources/node_template.md b/docs/resources/node_template.md
index 60a863a6..30dbf73a 100644
--- a/docs/resources/node_template.md
+++ b/docs/resources/node_template.md
@@ -90,11 +90,11 @@ Optional:
 Required:
 
 - `key` (String) Key of a taint to be added to nodes created from this template.
-- `value` (String) Value of a taint to be added to nodes created from this template.
 
 Optional:
 
 - `effect` (String) Effect of a taint to be added to nodes created from this template, the default is NoSchedule. Allowed values: NoSchedule, NoExecute.
+- `value` (String) Value of a taint to be added to nodes created from this template.
 
 
 <a id="nestedblock--timeouts"></a>