diff --git a/crates/opensi-core/src/serde_impl.rs b/crates/opensi-core/src/serde_impl.rs
index e216945..3347f53 100644
--- a/crates/opensi-core/src/serde_impl.rs
+++ b/crates/opensi-core/src/serde_impl.rs
@@ -40,3 +40,4 @@ generate_serde_mod!(atoms: crate::v5::AtomV5 as atom);
 generate_serde_mod!(answers: crate::v5::AnswerV5 as answer);
 generate_serde_mod!(authors: String as author);
 generate_serde_mod!(sources: String as source);
+generate_serde_mod!(tags: crate::v5::Tag as tag);
diff --git a/crates/opensi-core/src/v5/components.rs b/crates/opensi-core/src/v5/components.rs
index f394e6f..a1acaad 100644
--- a/crates/opensi-core/src/v5/components.rs
+++ b/crates/opensi-core/src/v5/components.rs
@@ -174,3 +174,9 @@ pub struct AtomV5 {
     #[serde(rename = "$value", skip_serializing_if = "Option::is_none")]
     pub body: Option<String>,
 }
+
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+pub struct Tag {
+    #[serde(rename = "$value", skip_serializing_if = "Option::is_none")]
+    pub body: Option<String>,
+}
diff --git a/crates/opensi-core/src/v5/package.rs b/crates/opensi-core/src/v5/package.rs
index 240d73d..fb4019f 100644
--- a/crates/opensi-core/src/v5/package.rs
+++ b/crates/opensi-core/src/v5/package.rs
@@ -10,7 +10,7 @@ use std::{fs::File, io, io::Read};
 use zip::write::FileOptions;
 use zip::{CompressionMethod, ZipArchive, ZipWriter};
 
-use super::components::{AtomV5, InfoV5, RoundV5};
+use super::components::{AtomV5, InfoV5, RoundV5, Tag};
 use crate::package_trait::RoundContainer;
 use crate::serde_impl;
 
@@ -46,8 +46,8 @@ pub struct PackageV5 {
     pub info: InfoV5,
     #[serde(default, with = "serde_impl::rounds")]
     pub rounds: Vec<RoundV5>,
-    #[serde(default, skip_serializing_if = "Vec::is_empty")]
-    pub tags: Vec<String>,
+    #[serde(default, with = "serde_impl::tags", skip_serializing_if = "Vec::is_empty")]
+    pub tags: Vec<Tag>,
 
     // resources
     #[serde(skip)]
diff --git a/crates/opensi-editor/src/element/common.rs b/crates/opensi-editor/src/element/common.rs
index 2bcedbe..2a72a58 100644
--- a/crates/opensi-editor/src/element/common.rs
+++ b/crates/opensi-editor/src/element/common.rs
@@ -1,7 +1,7 @@
 use std::fmt::Display;
 
 use opensi_core::prelude::*;
-
+use opensi_core::v5::Tag;
 use super::{property::Properties, PropertyTable};
 
 /// A generic error label.
@@ -44,7 +44,7 @@ pub fn unselectable_label(text: impl Into<egui::WidgetText>, ui: &mut egui::Ui)
 
 pub fn string_list(
     id: impl Into<egui::Id>,
-    list: &mut Vec<String>,
+    list: &mut Vec<Tag>,
     ui: &mut egui::Ui,
 ) -> egui::Response {
     ui.push_id(id.into(), |ui| {