diff --git a/src/api_data/server_config.rs b/src/api_data/server_config.rs
index b66e8f6..fbc1165 100644
--- a/src/api_data/server_config.rs
+++ b/src/api_data/server_config.rs
@@ -3,7 +3,7 @@
 //! @author Pierre Hubert
 use serde::Serialize;
 
-use crate::constants::{conservation_policy, password_policy};
+use crate::constants::{conservation_policy, MIN_SUPPORTED_MOBILE_VERSION, password_policy};
 
 #[derive(Serialize)]
 struct PasswordPolicy {
@@ -29,6 +29,7 @@ struct DataConservationPolicy {
 
 #[derive(Serialize)]
 pub struct ServerConfig {
+    min_supported_mobile_version: &'static str,
     password_policy: PasswordPolicy,
     data_conservation_policy: DataConservationPolicy,
 }
@@ -36,6 +37,7 @@ pub struct ServerConfig {
 impl ServerConfig {
     pub fn new() -> Self {
         ServerConfig {
+            min_supported_mobile_version: MIN_SUPPORTED_MOBILE_VERSION,
             password_policy: PasswordPolicy {
                 allow_email_in_password: password_policy::ALLOW_EMAIL_IN_PASSWORD,
                 allow_name_in_password: password_policy::ALLOW_NAME_IN_PASSWORD,
diff --git a/src/constants.rs b/src/constants.rs
index 60d0dcb..a42314c 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -159,4 +159,7 @@ pub const USER_ACCESS_TOKEN_ACTIVITY_REFRESH: Duration = Duration::from_secs(60
 pub const INITIAL_REFRESH_LOAD_INTERVAL: Duration = Duration::from_secs(5);
 
 /// Interval between each cleanup operation (every hour)
-pub const CLEAN_UP_INTERVAL: Duration = Duration::from_secs(60 * 60);
\ No newline at end of file
+pub const CLEAN_UP_INTERVAL: Duration = Duration::from_secs(60 * 60);
+
+/// Minimal mobile version supported
+pub const MIN_SUPPORTED_MOBILE_VERSION: &str = "1.1.1";
\ No newline at end of file