diff --git a/build.gradle.kts b/build.gradle.kts
index 250bf9b..e902554 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
 }
 
 group = "com.aitrainer"
-version = "1.0.51"
+version = "1.0.52"
 java.sourceCompatibility = JavaVersion.VERSION_1_8
 
 repositories {
diff --git a/data/db/update_1_0_52.sql b/data/db/update_1_0_52.sql
new file mode 100644
index 0000000..b022e6c
--- /dev/null
+++ b/data/db/update_1_0_52.sql
@@ -0,0 +1,10 @@
+START TRANSACTION;
+
+
+ALTER TABLE `customer`
+	ADD COLUMN `phone` CHAR(50) NULL DEFAULT NULL AFTER `lang`;
+
+
+UPDATE configuration set config_value = "1.0.52", date_change=CURRENT_DATE WHERE config_key = "db_version";
+
+COMMIT;
diff --git a/src/main/kotlin/com/aitrainer/api/model/Customer.kt b/src/main/kotlin/com/aitrainer/api/model/Customer.kt
index cba375e..4555690 100644
--- a/src/main/kotlin/com/aitrainer/api/model/Customer.kt
+++ b/src/main/kotlin/com/aitrainer/api/model/Customer.kt
@@ -30,6 +30,7 @@ data class Customer (
         @Expose var trialDate: String? = null,
         @Expose var firebaseRegToken: String? = null,
         @Expose var lang: String? = null,
+        @Expose var phone: String? = null,
 
         @Id @GeneratedValue(strategy = GenerationType.IDENTITY)  @Expose var customerId: Long = 0,
 )
diff --git a/src/main/resources/application-prod.properties b/src/main/resources/application-prod.properties
index 497e86b..faf3d43 100644
--- a/src/main/resources/application-prod.properties
+++ b/src/main/resources/application-prod.properties
@@ -17,6 +17,6 @@ logging.config=classpath:logback-spring.xml
 logging.file=logs
 
 # if the database structure has been changed, increment this version number
-application.version=1.0.51
+application.version=1.0.52
 
 jwt.secret=aitrainer
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index bd69f8f..7890fd3 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -17,7 +17,7 @@ logging.config=classpath:logback-spring.xml
 logging.file=logs
 
 # if the database structure has been changed, increment this version number
-application.version=1.0.51
+application.version=1.0.52
 
 jwt.secret=aitrainer
 jasypt.encryptor.password=Tibor
diff --git a/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt b/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
index 71059ae..9fc1c35 100644
--- a/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/AppCustomerPackageTest.kt
@@ -76,6 +76,7 @@ class AppCustomerPackageTest {
                     assertEquals(customer.syncedDate, "2021-08-06 08:00:00")
                     assertEquals(customer.firebaseRegToken, "123456789asdfghjkl")
                     assertEquals(customer.lang!!.uppercase(), "HU")
+                    assertEquals(customer.phone, "123456")
                 }
                 record[0] == Exercises::class.simpleName -> {
                     val exercisesJson: String = record[1]
diff --git a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
index 7dcbbe6..6276092 100644
--- a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
@@ -115,6 +115,7 @@ class CustomerTests {
         customer.emailSubscription = 1
         customer.sportId = 2
         customer.firebaseRegToken = "123456789asdfghjkl"
+        customer.phone = "123456"
 
 
         var updatedCustomer = customerRepository.save(customer)
@@ -126,6 +127,7 @@ class CustomerTests {
         assertEquals(updatedCustomer.dataPolicyAllowed, 1)
         assertEquals(updatedCustomer.emailSubscription, 1)
         assertEquals(updatedCustomer.firebaseRegToken, "123456789asdfghjkl")
+        assertEquals(updatedCustomer.phone, "123456")
 
 
         customer.email = "sw@andio.biz"