diff --git a/app/code/Magento/CustomerGraphQl/etc/schema.graphqls b/app/code/Magento/CustomerGraphQl/etc/schema.graphqls
index d27debdc39c64..73d33f5bf01db 100644
--- a/app/code/Magento/CustomerGraphQl/etc/schema.graphqls
+++ b/app/code/Magento/CustomerGraphQl/etc/schema.graphqls
@@ -61,7 +61,8 @@ input CustomerInput {
     lastname: String @doc(description: "The customer's family name")
     suffix: String @doc(description: "A value such as Sr., Jr., or III")
     email: String @doc(description: "The customer's email address. Required")
-    dob: String @doc(description: "The customer's date of birth")
+    dob: @deprecated(reason: "The `dob` is deprecated. Use `date_of_birth` instead.") String @doc(description: "The customer's date of birth")
+    date_of_birth: String @doc(description: "The customer's date of birth")
     taxvat: String @doc(description: "The customer's Tax/VAT number (for corporate customers)")
     gender: Int @doc(description: "The customer's gender(Male - 1, Female - 2)")
     password: String @doc(description: "The customer's password")
@@ -87,7 +88,8 @@ type Customer @doc(description: "Customer defines the customer name and address
     email: String @doc(description: "The customer's email address. Required")
     default_billing: String @doc(description: "The ID assigned to the billing address")
     default_shipping: String @doc(description: "The ID assigned to the shipping address")
-    dob: String @doc(description: "The customer's date of birth")
+    dob: @deprecated(reason: "The `dob` is deprecated. Use `date_of_birth` instead.") String @doc(description: "The customer's date of birth")
+    date_of_birth: String @doc(description: "The customer's date of birth")
     taxvat: String @doc(description: "The customer's Tax/VAT number (for corporate customers)")
     id: Int @doc(description: "The ID assigned to the customer")
     is_subscribed: Boolean @doc(description: "Indicates whether the customer is subscribed to the company's newsletter") @resolver(class: "\\Magento\\CustomerGraphQl\\Model\\Resolver\\IsSubscribed")
diff --git a/dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/UpdateCustomerTest.php b/dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/UpdateCustomerTest.php
index 178d10b3c35a4..d1c6638e8d5ff 100644
--- a/dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/UpdateCustomerTest.php
+++ b/dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/UpdateCustomerTest.php
@@ -69,7 +69,7 @@ public function testUpdateCustomer()
             middlename: "{$newMiddlename}"
             lastname: "{$newLastname}"
             suffix: "{$newSuffix}"
-            dob: "{$newDob}"
+            date_of_birth: "{$newDob}"
             taxvat: "{$newTaxVat}"
             email: "{$newEmail}"
             password: "{$currentPassword}"
@@ -82,7 +82,7 @@ public function testUpdateCustomer()
             middlename
             lastname
             suffix
-            dob
+            date_of_birth
             taxvat
             email
             gender
@@ -102,7 +102,7 @@ public function testUpdateCustomer()
         $this->assertEquals($newMiddlename, $response['updateCustomer']['customer']['middlename']);
         $this->assertEquals($newLastname, $response['updateCustomer']['customer']['lastname']);
         $this->assertEquals($newSuffix, $response['updateCustomer']['customer']['suffix']);
-        $this->assertEquals($newDob, $response['updateCustomer']['customer']['dob']);
+        $this->assertEquals($newDob, $response['updateCustomer']['customer']['date_of_birth']);
         $this->assertEquals($newTaxVat, $response['updateCustomer']['customer']['taxvat']);
         $this->assertEquals($newEmail, $response['updateCustomer']['customer']['email']);
         $this->assertEquals($newGender, $response['updateCustomer']['customer']['gender']);