diff --git a/packages/strapi/lib/services/__tests__/entity-validator.test.js b/packages/strapi/lib/services/__tests__/entity-validator.test.js
index a4d85b7289..231cd238d2 100644
--- a/packages/strapi/lib/services/__tests__/entity-validator.test.js
+++ b/packages/strapi/lib/services/__tests__/entity-validator.test.js
@@ -23,7 +23,7 @@ describe('Entity validator', () => {
         },
       };
 
-      const input = { title: 123 };
+      const input = { title: 1234 };
 
       expect.hasAssertions();
 
@@ -59,6 +59,39 @@ describe('Entity validator', () => {
       expect(data).toEqual(input);
     });
 
+    it('Returns casted data when possible', async () => {
+      const errors = {
+        badRequest: jest.fn(),
+      };
+
+      const entityValidator = createEntityValidator({
+        strapi: {
+          errors,
+        },
+      });
+
+      const model = {
+        attributes: {
+          title: {
+            type: 'string',
+          },
+          number: {
+            type: 'integer',
+          },
+        },
+      };
+
+      const input = { title: 'Test', number: '123' };
+
+      expect.hasAssertions();
+
+      const data = await entityValidator.validateEntity(model, input);
+      expect(data).toEqual({
+        title: 'Test',
+        number: 123,
+      });
+    });
+
     test('Throws on required not respected', async () => {
       const errors = {
         badRequest: jest.fn(),
diff --git a/packages/strapi/lib/services/entity-validator/validators.js b/packages/strapi/lib/services/entity-validator/validators.js
index 98ff4ca32b..56b8abf4b3 100644
--- a/packages/strapi/lib/services/entity-validator/validators.js
+++ b/packages/strapi/lib/services/entity-validator/validators.js
@@ -66,7 +66,7 @@ const addMaxFloatValidator = ({ max }, validator) =>
 /* Type validators */
 
 const stringValidator = composeValidators(
-  () => yup.string(),
+  () => yup.string().strict(),
   addMinLengthValidator,
   addMaxLengthValidator
 );