diff --git a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/ClickHouseConfig.java b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/ClickHouseConfig.java
index 5a36d5de..89298a88 100644
--- a/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/ClickHouseConfig.java
+++ b/cameleer3-server-app/src/main/java/com/cameleer3/server/app/config/ClickHouseConfig.java
@@ -27,7 +27,8 @@ public class ClickHouseConfig {
     private static final Logger log = LoggerFactory.getLogger(ClickHouseConfig.class);
     private static final String[] SCHEMA_FILES = {
             "clickhouse/01-schema.sql", "clickhouse/02-search-columns.sql",
-            "clickhouse/03-users.sql", "clickhouse/04-oidc-config.sql"
+            "clickhouse/03-users.sql", "clickhouse/04-oidc-config.sql",
+            "clickhouse/05-oidc-auto-signup.sql"
     };
 
     private final DataSource dataSource;
diff --git a/cameleer3-server-app/src/main/resources/clickhouse/04-oidc-config.sql b/cameleer3-server-app/src/main/resources/clickhouse/04-oidc-config.sql
index 3c0275b6..8f967733 100644
--- a/cameleer3-server-app/src/main/resources/clickhouse/04-oidc-config.sql
+++ b/cameleer3-server-app/src/main/resources/clickhouse/04-oidc-config.sql
@@ -6,6 +6,7 @@ CREATE TABLE IF NOT EXISTS oidc_config (
     client_secret  String DEFAULT '',
     roles_claim    String DEFAULT 'realm_access.roles',
     default_roles  Array(LowCardinality(String)),
+    auto_signup    Bool DEFAULT true,
     updated_at     DateTime64(3, 'UTC') DEFAULT now64(3, 'UTC')
 ) ENGINE = ReplacingMergeTree(updated_at)
 ORDER BY (config_id);
diff --git a/cameleer3-server-app/src/main/resources/clickhouse/05-oidc-auto-signup.sql b/cameleer3-server-app/src/main/resources/clickhouse/05-oidc-auto-signup.sql
new file mode 100644
index 00000000..643a69ea
--- /dev/null
+++ b/cameleer3-server-app/src/main/resources/clickhouse/05-oidc-auto-signup.sql
@@ -0,0 +1 @@
+ALTER TABLE oidc_config ADD COLUMN IF NOT EXISTS auto_signup Bool DEFAULT true;
diff --git a/cameleer3-server-app/src/test/java/com/cameleer3/server/app/AbstractClickHouseIT.java b/cameleer3-server-app/src/test/java/com/cameleer3/server/app/AbstractClickHouseIT.java
index 63a40f27..d1271adb 100644
--- a/cameleer3-server-app/src/test/java/com/cameleer3/server/app/AbstractClickHouseIT.java
+++ b/cameleer3-server-app/src/test/java/com/cameleer3/server/app/AbstractClickHouseIT.java
@@ -56,7 +56,7 @@ public abstract class AbstractClickHouseIT {
         }
 
         // Load all schema files in order
-        String[] schemaFiles = {"01-schema.sql", "02-search-columns.sql", "03-users.sql", "04-oidc-config.sql"};
+        String[] schemaFiles = {"01-schema.sql", "02-search-columns.sql", "03-users.sql", "04-oidc-config.sql", "05-oidc-auto-signup.sql"};
 
         try (Connection conn = DriverManager.getConnection(
                 CLICKHOUSE.getJdbcUrl(),
diff --git a/clickhouse/init/05-oidc-auto-signup.sql b/clickhouse/init/05-oidc-auto-signup.sql
new file mode 100644
index 00000000..643a69ea
--- /dev/null
+++ b/clickhouse/init/05-oidc-auto-signup.sql
@@ -0,0 +1 @@
+ALTER TABLE oidc_config ADD COLUMN IF NOT EXISTS auto_signup Bool DEFAULT true;