diff --git a/README.md b/README.md
index 925e608..c61b60e 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ The following set of extra asserts are provided by this package:
 - [Callback](#callback) (requires `callback`)
 - [CpfNumber](#cpfnumber) (requires `cpf`)
 - [CreditCard](#creditcard) (requires `creditcard`)
+- [CurpNumber](#curpnumber) (requires `curp`)
 - [Date](#date) (requires `moment` for format validation only)
 - [DateDiffGreaterThan](#datediffgreaterthan) (requires `moment`)
 - [DateDiffGreaterThanOrEqualTo](#datediffgreaterthanorequalto) (requires `moment`)
@@ -114,6 +115,9 @@ Tests if the value is valid CPF number.
 ### CreditCard
 Tests if the value is a valid credit card number using the Luhn10 algorithm.
 
+### CurpNumber
+Tests if the value is valid CURP number.
+
 ### Date
 Tests if the value is a valid date.
 
diff --git a/package.json b/package.json
index 0f59fbd..bc43845 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "bignumber.js": "^9.0.0",
     "cpf": "^2.0.1",
     "creditcard": "^0.1.2",
+    "curp": "^1.2.3",
     "google-libphonenumber": "^1.0.18",
     "iban": "0.0.6",
     "isoc": "0.0.1",
@@ -66,6 +67,7 @@
     "bignumber.js": ">=7 <=9.0.0",
     "cpf": "^2.0.1",
     "creditcard": ">=0.0.1 <1.0.0",
+    "curp": "^1.2.3",
     "google-libphonenumber": ">=1 <4",
     "iban": ">=0.0.6 <1.0.0",
     "isoc": ">=0.0.1 <1.0.0",
diff --git a/src/asserts/curp-number-assert.js b/src/asserts/curp-number-assert.js
new file mode 100644
index 0000000..ab4c4c4
--- /dev/null
+++ b/src/asserts/curp-number-assert.js
@@ -0,0 +1,53 @@
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+const _ = require('lodash');
+const { Validator, Violation } = require('validator.js');
+let curp;
+
+/**
+ * Optional peer dependencies.
+ */
+
+try {
+  curp = require('curp');
+} catch (e) {
+  // eslint-disable-next-line no-empty
+}
+
+/**
+ * Export `CurpNumber`.
+ */
+
+module.exports = function curpNumberAssert() {
+  if (!curp) {
+    throw new Error('curp is not installed');
+  }
+
+  /**
+   * Class name.
+   */
+
+  this.__class__ = 'CurpNumber';
+
+  /**
+   * Validation algorithm.
+   */
+
+  this.validate = function (value) {
+    if (!_.isString(value)) {
+      throw new Violation(this, value, { value: Validator.errorCode.must_be_a_string });
+    }
+
+    if (!curp.validar(value)) {
+      throw new Violation(this, value, { value: 'must_be_a_valid_curp_number' });
+    }
+
+    return true;
+  };
+
+  return this;
+};
diff --git a/src/index.js b/src/index.js
index 6675139..a212821 100644
--- a/src/index.js
+++ b/src/index.js
@@ -16,6 +16,7 @@ const Boolean = require('./asserts/boolean-assert.js');
 const Callback = require('./asserts/callback-assert');
 const CpfNumber = require('./asserts/cpf-number-assert');
 const CreditCard = require('./asserts/credit-card-assert.js');
+const CurpNumber = require('./asserts/curp-number-assert.js');
 const Date = require('./asserts/date-assert.js');
 const DateDiffGreaterThan = require('./asserts/date-diff-greater-than-assert.js');
 const DateDiffGreaterThanOrEqualTo = require('./asserts/date-diff-greater-than-or-equal-to-assert.js');
@@ -60,6 +61,7 @@ module.exports = {
   Callback,
   CpfNumber,
   CreditCard,
+  CurpNumber,
   Date,
   DateDiffGreaterThan,
   DateDiffGreaterThanOrEqualTo,
diff --git a/test/asserts/curp-number-assert.test.js b/test/asserts/curp-number-assert.test.js
new file mode 100644
index 0000000..b070719
--- /dev/null
+++ b/test/asserts/curp-number-assert.test.js
@@ -0,0 +1,51 @@
+'use strict';
+
+/**
+ * Module dependencies.
+ */
+
+const { Assert: BaseAssert, Violation } = require('validator.js');
+const CurpNumberAssert = require('../../src/asserts/curp-number-assert');
+
+/**
+ * Extend `Assert` with `CurpNumberAssert`.
+ */
+
+const Assert = BaseAssert.extend({
+  CurpNumber: CurpNumberAssert
+});
+
+/**
+ * Test `CurpNumberAssert`.
+ */
+
+describe('CurpNumberAssert', () => {
+  it('should throw an error if the input value is not a string', () => {
+    try {
+      Assert.curpNumber().validate();
+
+      fail();
+    } catch (e) {
+      expect(e).toBeInstanceOf(Violation);
+      expect(e.show().assert).toBe('CurpNumber');
+      expect(e.value).toBeUndefined();
+      expect(e.violation.value).toBe('must_be_a_string');
+    }
+  });
+
+  it('should throw an error if `curp` is invalid', () => {
+    try {
+      Assert.curpNumber().validate('123');
+
+      fail();
+    } catch (e) {
+      expect(e).toBeInstanceOf(Violation);
+      expect(e.value).toBe('123');
+      expect(e.violation.value).toBe('must_be_a_valid_curp_number');
+    }
+  });
+
+  it('should accept a valid `curp`', () => {
+    Assert.curpNumber().validate('LOOA531113HTCPBN07');
+  });
+});
diff --git a/test/index.test.js b/test/index.test.js
index 6704d3d..caec9c1 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -14,7 +14,7 @@ describe('validator.js-asserts', () => {
   it('should export all asserts', () => {
     const assertNames = Object.keys(asserts);
 
-    expect(assertNames).toHaveLength(38);
+    expect(assertNames).toHaveLength(39);
     expect(assertNames).toEqual(
       expect.arrayContaining([
         'AbaRoutingNumber',
@@ -29,6 +29,7 @@ describe('validator.js-asserts', () => {
         'Callback',
         'CpfNumber',
         'CreditCard',
+        'CurpNumber',
         'Date',
         'DateDiffGreaterThan',
         'DateDiffGreaterThanOrEqualTo',
diff --git a/yarn.lock b/yarn.lock
index 654f829..e2a680d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1141,6 +1141,11 @@ cssstyle@^2.3.0:
   dependencies:
     cssom "~0.3.6"
 
+curp@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/curp/-/curp-1.2.3.tgz#8db13da2d64073df1da9c1f94e673e829df28d32"
+  integrity sha512-o/NZE+1A1y77orlN8kBRa4+yG4m1owVI9V2KzEpHDV1z2k90rPCHuECYmXLyW4bcYOHdTf36EJuz6KWLn/hyKg==
+
 data-urls@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/data-urls/-/data-urls-2.0.0.tgz"