diff --git a/.changelog/44545.txt b/.changelog/44545.txt
new file mode 100644
index 000000000000..c6534da805ec
--- /dev/null
+++ b/.changelog/44545.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+resource/aws_rds_cluster: Fix inability to update `serverlessv2_scaling_configuration.min_capacity` argument from `1` to `0`
+```
diff --git a/internal/service/rds/cluster.go b/internal/service/rds/cluster.go
index 74d2effbef6b..e293af87796a 100644
--- a/internal/service/rds/cluster.go
+++ b/internal/service/rds/cluster.go
@@ -583,10 +583,15 @@ func resourceCluster() *schema.Resource {
 				},
 			},
 			"serverlessv2_scaling_configuration": {
-				Type:             schema.TypeList,
-				Optional:         true,
-				MaxItems:         1,
-				DiffSuppressFunc: verify.SuppressMissingOptionalConfigurationBlock,
+				Type:     schema.TypeList,
+				Optional: true,
+				MaxItems: 1,
+				DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
+					if k == "serverlessv2_scaling_configuration.#" {
+						return verify.SuppressMissingOptionalConfigurationBlock(k, old, new, d)
+					}
+					return false
+				},
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						names.AttrMaxCapacity: {
diff --git a/internal/service/rds/cluster_test.go b/internal/service/rds/cluster_test.go
index bb0c212d2fdf..5b04f2964869 100644
--- a/internal/service/rds/cluster_test.go
+++ b/internal/service/rds/cluster_test.go
@@ -2203,12 +2203,12 @@ func TestAccRDSCluster_serverlessV2ScalingConfiguration(t *testing.T) {
 		CheckDestroy:             testAccCheckClusterDestroy(ctx),
 		Steps: []resource.TestStep{
 			{
-				Config: testAccClusterConfig_serverlessV2ScalingConfiguration(rName, 64.0, 2.5),
+				Config: testAccClusterConfig_serverlessV2ScalingConfiguration(rName, 64.0, 1.0),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckClusterExists(ctx, resourceName, &dbCluster),
 					resource.TestCheckResourceAttr(resourceName, "serverlessv2_scaling_configuration.#", "1"),
 					resource.TestCheckResourceAttr(resourceName, "serverlessv2_scaling_configuration.0.max_capacity", "64"),
-					resource.TestCheckResourceAttr(resourceName, "serverlessv2_scaling_configuration.0.min_capacity", "2.5"),
+					resource.TestCheckResourceAttr(resourceName, "serverlessv2_scaling_configuration.0.min_capacity", "1"),
 					resource.TestCheckResourceAttrSet(resourceName, "serverlessv2_scaling_configuration.0.seconds_until_auto_pause"),
 				),
 			},