diff --git a/cameleer-server-app/src/main/resources/db/migration/V11__outbound_connections.sql b/cameleer-server-app/src/main/resources/db/migration/V11__outbound_connections.sql
index aa9576b1..48c803cd 100644
--- a/cameleer-server-app/src/main/resources/db/migration/V11__outbound_connections.sql
+++ b/cameleer-server-app/src/main/resources/db/migration/V11__outbound_connections.sql
@@ -21,9 +21,9 @@ CREATE TABLE outbound_connections (
   auth_config               jsonb NOT NULL DEFAULT '{}',
   allowed_environment_ids   uuid[] NOT NULL DEFAULT '{}',
   created_at                timestamptz NOT NULL DEFAULT now(),
-  created_by                uuid NOT NULL REFERENCES users(id),
+  created_by                text NOT NULL REFERENCES users(user_id),
   updated_at                timestamptz NOT NULL DEFAULT now(),
-  updated_by                uuid NOT NULL REFERENCES users(id),
+  updated_by                text NOT NULL REFERENCES users(user_id),
   CONSTRAINT outbound_connections_name_unique_per_tenant UNIQUE (tenant_id, name)
 );
 
diff --git a/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnection.java b/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnection.java
index 1c281634..b37c1c0a 100644
--- a/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnection.java
+++ b/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnection.java
@@ -22,9 +22,9 @@ public record OutboundConnection(
         OutboundAuth auth,
         List<UUID> allowedEnvironmentIds,
         Instant createdAt,
-        UUID createdBy,
+        String createdBy,
         Instant updatedAt,
-        UUID updatedBy
+        String updatedBy
 ) {
     public OutboundConnection {
         defaultHeaders = defaultHeaders == null ? Map.of() : Map.copyOf(defaultHeaders);
diff --git a/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnectionService.java b/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnectionService.java
index e0e22be6..05576668 100644
--- a/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnectionService.java
+++ b/cameleer-server-core/src/main/java/com/cameleer/server/core/outbound/OutboundConnectionService.java
@@ -4,9 +4,9 @@ import java.util.List;
 import java.util.UUID;
 
 public interface OutboundConnectionService {
-    OutboundConnection create(OutboundConnection draft, UUID actingUserId);
-    OutboundConnection update(UUID id, OutboundConnection draft, UUID actingUserId);
-    void delete(UUID id, UUID actingUserId);
+    OutboundConnection create(OutboundConnection draft, String actingUserId);
+    OutboundConnection update(UUID id, OutboundConnection draft, String actingUserId);
+    void delete(UUID id, String actingUserId);
     OutboundConnection get(UUID id);
     List<OutboundConnection> list();
     List<UUID> rulesReferencing(UUID id);