diff --git a/src/types/request.rs b/src/types/request.rs
index a81b1b8..8f99db5 100644
--- a/src/types/request.rs
+++ b/src/types/request.rs
@@ -245,8 +245,10 @@ impl Default for TorrentAddArgs {
     }
 }
 
+// https://github.com/transmission/transmission/blob/main/docs/rpc-spec.md
 #[derive(Clone, Sequence)]
 pub enum TorrentGetField {
+    ActivityDate,
     AddedDate,
     DoneDate,
     DownloadDir,
@@ -287,6 +289,7 @@ impl TorrentGetField {
     #[must_use]
     pub fn to_str(&self) -> String {
         match self {
+            TorrentGetField::ActivityDate => "activityDate",
             TorrentGetField::AddedDate => "addedDate",
             TorrentGetField::DoneDate => "doneDate",
             TorrentGetField::DownloadDir => "downloadDir",
diff --git a/src/types/response.rs b/src/types/response.rs
index 0d74699..378dd8b 100644
--- a/src/types/response.rs
+++ b/src/types/response.rs
@@ -74,6 +74,8 @@ impl RpcResponseArgument for PortTest {}
 
 #[derive(Deserialize, Debug, Clone)]
 pub struct Torrent {
+    #[serde(rename = "activityDate")]
+    pub activity_date: Option<i64>,
     #[serde(rename = "addedDate")]
     pub added_date: Option<i64>,
     #[serde(rename = "doneDate")]