diff --git a/tests/pkg_umorse/Makefile b/tests/pkg_umorse/Makefile
index 1ae285f35a..a3d3a5ce8b 100644
--- a/tests/pkg_umorse/Makefile
+++ b/tests/pkg_umorse/Makefile
@@ -1,9 +1,9 @@
 include ../Makefile.tests_common
 
-USEMODULE += xtimer
-
 USEPKG += umorse
 
+USEMODULE += ztimer
+
 UMORSE_DELAY_DIT ?= 120
 CFLAGS += -DUMORSE_DELAY_DIT=$(UMORSE_DELAY_DIT)
 
diff --git a/tests/pkg_umorse/main.c b/tests/pkg_umorse/main.c
index c2487afab4..7f7e997eef 100644
--- a/tests/pkg_umorse/main.c
+++ b/tests/pkg_umorse/main.c
@@ -21,14 +21,14 @@
 
 #include "board.h"
 #include "led.h"
+#include "ztimer.h"
 #include "periph_conf.h"
-#include "xtimer.h"
-#define UMORSE_MSLEEP(m)    xtimer_msleep(m)
 
 #include "umorse.h"
 #include "print.h"
 
-#define CODE_LEN	(64U)
+#define UMORSE_MSLEEP(m)        ztimer_sleep(ZTIMER_MSEC, m);
+#define CODE_LEN                (64U)
 
 void blink_dit(void *args, uint8_t flags)
 {