diff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h
index 6aca0b46f43d..9bdda8f3b799 100644
--- a/include/libcamera/internal/pipeline_handler.h
+++ b/include/libcamera/internal/pipeline_handler.h
@@ -38,7 +38,7 @@ class CameraData
 {
 public:
 	explicit CameraData(PipelineHandler *pipe)
-		: pipe_(pipe)
+		: pipe_(pipe), requestSequence_(0)
 	{
 	}
 	virtual ~CameraData() = default;
@@ -48,6 +48,8 @@ public:
 	ControlInfoMap controlInfo_;
 	ControlList properties_;
 
+	uint32_t requestSequence_;
+
 private:
 	LIBCAMERA_DISABLE_COPY(CameraData)
 };
diff --git a/include/libcamera/request.h b/include/libcamera/request.h
index 6e5aad5f6b75..cd5a24741f8a 100644
--- a/include/libcamera/request.h
+++ b/include/libcamera/request.h
@@ -50,6 +50,7 @@ public:
 	int addBuffer(const Stream *stream, FrameBuffer *buffer);
 	FrameBuffer *findBuffer(const Stream *stream) const;
 
+	uint32_t sequence() const { return sequence_; }
 	uint64_t cookie() const { return cookie_; }
 	Status status() const { return status_; }
 
@@ -71,6 +72,7 @@ private:
 	BufferMap bufferMap_;
 	std::unordered_set<FrameBuffer *> pending_;
 
+	uint32_t sequence_;
 	const uint64_t cookie_;
 	Status status_;
 	bool cancelled_;
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
index d22991d318c9..e3d4975d9ffd 100644
--- a/src/libcamera/pipeline_handler.cpp
+++ b/src/libcamera/pipeline_handler.cpp
@@ -382,6 +382,8 @@ int PipelineHandler::queueRequest(Request *request)
 	CameraData *data = cameraData(camera);
 	data->queuedRequests_.push_back(request);
 
+	request->sequence_ = data->requestSequence_++;
+
 	int ret = queueRequestDevice(camera, request);
 	if (ret)
 		data->queuedRequests_.remove(request);
diff --git a/src/libcamera/request.cpp b/src/libcamera/request.cpp
index 3ad83f3b8418..fc16b148a599 100644
--- a/src/libcamera/request.cpp
+++ b/src/libcamera/request.cpp
@@ -72,8 +72,8 @@ LOG_DEFINE_CATEGORY(Request)
  *
  */
 Request::Request(Camera *camera, uint64_t cookie)
-	: camera_(camera), cookie_(cookie), status_(RequestPending),
-	  cancelled_(false)
+	: camera_(camera), sequence_(0), cookie_(cookie),
+	  status_(RequestPending), cancelled_(false)
 {
 	/**
 	 * \todo Should the Camera expose a validator instance, to avoid
@@ -126,6 +126,7 @@ void Request::reuse(ReuseFlag flags)
 		bufferMap_.clear();
 	}
 
+	sequence_ = 0;
 	status_ = RequestPending;
 	cancelled_ = false;
 
@@ -227,6 +228,12 @@ FrameBuffer *Request::findBuffer(const Stream *stream) const
  * \return The metadata associated with the request
  */
 
+/**
+ * \fn Request::sequence()
+ * \brief Retrieve the sequence number for the request
+ * \return The request sequence number
+ */
+
 /**
  * \fn Request::cookie()
  * \brief Retrieve the cookie set when the request was created