diff --git a/Cargo.lock b/Cargo.lock
index f3125fc..dc107d2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -248,7 +248,7 @@ checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
 
 [[package]]
 name = "authifier"
-version = "1.0.14"
+version = "1.0.15"
 dependencies = [
  "async-std",
  "async-trait",
@@ -2403,7 +2403,7 @@ dependencies = [
 
 [[package]]
 name = "rocket_authifier"
-version = "1.0.14"
+version = "1.0.15"
 dependencies = [
  "async-std",
  "authifier",
@@ -3324,6 +3324,7 @@ checksum = "220b18413e1fe5e85a5580b22f44241f82404a66c792c9f3c9eda74c52d9a22e"
 dependencies = [
  "chrono",
  "rand",
+ "serde",
 ]
 
 [[package]]
diff --git a/crates/authifier/Cargo.toml b/crates/authifier/Cargo.toml
index a5911e3..3eeb750 100644
--- a/crates/authifier/Cargo.toml
+++ b/crates/authifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "authifier"
-version = "1.0.14"
+version = "1.0.15"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["Pawel Makles <me@insrt.uk>"]
@@ -30,7 +30,7 @@ default = ["async-std-runtime", "database-mongodb", "default_inbuilts"]
 [dependencies]
 # Lang
 log = "0.4"
-ulid = "0.5.0"
+ulid = { version = "0.5.0", features = ["serde"] }
 rand = "0.8.5"
 regex = "1.3.9"
 nanoid = "0.4.0"
diff --git a/crates/authifier/src/database/mongo.rs b/crates/authifier/src/database/mongo.rs
index 0f82494..8c8d7cc 100644
--- a/crates/authifier/src/database/mongo.rs
+++ b/crates/authifier/src/database/mongo.rs
@@ -175,7 +175,12 @@ impl AbstractDatabase for MongoDb {
                 // check commits 2025-05-14 (authifier/authifier) for old code
 
                 loop {
-                    let sessions: Vec<Session> = self
+                    #[derive(Deserialize)]
+                    struct SessionId {
+                        _id: Ulid,
+                    }
+
+                    let sessions: Vec<SessionId> = self
                         .collection("sessions")
                         .find(doc! {
                             "$or": [
@@ -195,16 +200,15 @@ impl AbstractDatabase for MongoDb {
                     }
 
                     for session in sessions {
-                        let ulid =
-                            Ulid::from_string(&session.id).expect("Invalid ULID on session!");
-
                         let timestamp = iso8601_timestamp::Timestamp::UNIX_EPOCH
-                            + iso8601_timestamp::Duration::seconds(ulid.datetime().timestamp());
+                            + iso8601_timestamp::Duration::seconds(
+                                session._id.datetime().timestamp(),
+                            );
 
                         self.collection::<Document>("sessions")
                             .update_one(
                                 doc! {
-                                    "_id": &session.id,
+                                    "_id": &session._id.to_string(),
                                 },
                                 doc! {
                                     "$set": {
diff --git a/crates/rocket_authifier/Cargo.toml b/crates/rocket_authifier/Cargo.toml
index 26c2528..6502033 100644
--- a/crates/rocket_authifier/Cargo.toml
+++ b/crates/rocket_authifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rocket_authifier"
-version = "1.0.14"
+version = "1.0.15"
 edition = "2021"
 license = "Apache-2.0"
 authors = ["Pawel Makles <me@insrt.uk>"]
@@ -21,7 +21,7 @@ example = [
 default = []
 
 [dependencies]
-authifier = { version = "1.0.14", path = "../authifier", features = [
+authifier = { version = "1.0.15", path = "../authifier", features = [
     "rocket_impl",
     "okapi_impl",
 ] }