diff --git a/CMakeLists.txt b/CMakeLists.txt
index ed5f1332..eca7ded9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,7 +5,7 @@ if (POLICY CMP0177)
 endif()
 project(PIP)
 set(PIP_MAJOR    5)
-set(PIP_MINOR    4)
+set(PIP_MINOR    5)
 set(PIP_REVISION 0)
 set(PIP_SUFFIX   )
 set(PIP_COMPANY  SHS)
diff --git a/libs/main/io_devices/piiodevice.cpp b/libs/main/io_devices/piiodevice.cpp
index 42cd04ca..45344dd4 100644
--- a/libs/main/io_devices/piiodevice.cpp
+++ b/libs/main/io_devices/piiodevice.cpp
@@ -390,7 +390,7 @@ void PIIODevice::read_func() {
 	ssize_t readed_ = read(buffer_tr.data(), buffer_tr.size_s());
 	if (read_thread.isStopping()) return;
 	if (readed_ <= 0) {
-		piMSleep(10);
+		piMSleep(threaded_read_timeout_ms);
 		// cout << readed_ << ", " << errno << ", " << errorString() << endl;
 		return;
 	}
diff --git a/libs/main/io_devices/piiodevice.h b/libs/main/io_devices/piiodevice.h
index 9b4f92d8..ff5d7153 100644
--- a/libs/main/io_devices/piiodevice.h
+++ b/libs/main/io_devices/piiodevice.h
@@ -271,6 +271,10 @@ public:
 	bool waitThreadedReadFinished(PISystemTime timeout = {});
 
 
+	uint threadedReadTimeout() const { return threaded_read_timeout_ms; }
+	void setThreadedReadTimeout(uint ms) { threaded_read_timeout_ms = ms; }
+
+
 	//! \~english Returns if threaded write is started
 	//! \~russian Возвращает запущен ли поток записи
 	bool isThreadedWrite() const;
@@ -591,7 +595,7 @@ private:
 	PIQueue<PIPair<PIByteArray, ullong>> write_queue;
 	PISystemTime reopen_timeout;
 	ullong tri = 0;
-	uint threaded_read_buffer_size;
+	uint threaded_read_buffer_size, threaded_read_timeout_ms = 10;
 	bool reopen_enabled = true, destroying = false;
 
 	static PIMutex nfp_mutex;