diff --git a/uefi/CHANGELOG.md b/uefi/CHANGELOG.md
index e746ab9c9..7d57ab742 100644
--- a/uefi/CHANGELOG.md
+++ b/uefi/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Changed
 - **Breaking:** `uefi::helpers::init` no longer takes an argument.
+- The lifetime of the `SearchType` returned from
+  `BootServices::register_protocol_notify` is now tied to the protocol GUID.
 
 
 # uefi - 0.29.0 (2024-07-02)
diff --git a/uefi/src/table/boot.rs b/uefi/src/table/boot.rs
index 1a27de37c..f492f495e 100644
--- a/uefi/src/table/boot.rs
+++ b/uefi/src/table/boot.rs
@@ -683,11 +683,11 @@ impl BootServices {
     ///
     /// * [`uefi::Status::OUT_OF_RESOURCES`]
     /// * [`uefi::Status::INVALID_PARAMETER`]
-    pub fn register_protocol_notify(
+    pub fn register_protocol_notify<'guid>(
         &self,
-        protocol: &Guid,
+        protocol: &'guid Guid,
         event: Event,
-    ) -> Result<(Event, SearchType)> {
+    ) -> Result<(Event, SearchType<'guid>)> {
         let mut key = ptr::null();
         // Safety: we clone `event` a couple times, but there will be only one left once we return.
         unsafe { (self.0.register_protocol_notify)(protocol, event.as_ptr(), &mut key) }