diff --git a/internal/crypto/src/tests/time_stamp/response.rs b/internal/crypto/src/tests/time_stamp/response.rs
index 8177cf2e..33d1834b 100644
--- a/internal/crypto/src/tests/time_stamp/response.rs
+++ b/internal/crypto/src/tests/time_stamp/response.rs
@@ -14,7 +14,10 @@
 #[cfg(target_arch = "wasm32")]
 use wasm_bindgen_test::wasm_bindgen_test;
 
-use crate::{asn1::rfc5652::CmsVersion, time_stamp::TimeStampResponse};
+use crate::{
+    asn1::{rfc3161::PkiStatus, rfc5652::CmsVersion},
+    time_stamp::TimeStampResponse,
+};
 
 #[test]
 #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
@@ -43,3 +46,13 @@ fn impl_debug() {
     let x = format!("{tsr:?}");
     assert!(!x.is_empty());
 }
+
+#[test]
+#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
+fn impl_deref() {
+    let tsr = include_bytes!("../fixtures/time_stamp/video1.ts.bin");
+    let tsr = TimeStampResponse::parse(tsr).unwrap();
+
+    let tsr = &*tsr;
+    assert_eq!(tsr.status.status, PkiStatus::Granted);
+}