diff --git a/pkg/ucglib/Kconfig b/pkg/ucglib/Kconfig
index 168d425d24..5e40bcbe9b 100644
--- a/pkg/ucglib/Kconfig
+++ b/pkg/ucglib/Kconfig
@@ -10,7 +10,8 @@ config PACKAGE_UCGLIB
     depends on TEST_KCONFIG
     depends on HAS_PERIPH_GPIO
     select MODULE_PERIPH_GPIO
-    select MODULE_XTIMER
+    select MODULE_ZTIMER
+    select MODULE_ZTIMER_USEC
     select MODULE_UCGLIB_RIOT
     select MODULE_UCGLIB_CSRC
 
diff --git a/pkg/ucglib/Makefile.dep b/pkg/ucglib/Makefile.dep
index 29d5db25a0..cd5014c9e7 100644
--- a/pkg/ucglib/Makefile.dep
+++ b/pkg/ucglib/Makefile.dep
@@ -1,4 +1,5 @@
-USEMODULE += xtimer
+USEMODULE += ztimer
+USEMODULE += ztimer_usec
 
 FEATURES_REQUIRED += periph_gpio
 
diff --git a/pkg/ucglib/contrib/ucg_riotos.c b/pkg/ucglib/contrib/ucg_riotos.c
index b3f3f617fa..33449b648f 100644
--- a/pkg/ucglib/contrib/ucg_riotos.c
+++ b/pkg/ucglib/contrib/ucg_riotos.c
@@ -23,7 +23,7 @@
 
 #include "ucg_riotos.h"
 
-#include "xtimer.h"
+#include "ztimer.h"
 
 #ifdef MODULE_PERIPH_SPI
 #include "periph/spi.h"
@@ -98,7 +98,7 @@ int16_t ucg_com_hw_spi_riotos(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *da
             spi_release(dev);
             break;
         case UCG_COM_MSG_DELAY:
-            xtimer_usleep(arg);
+            ztimer_sleep(ZTIMER_USEC, arg);
             break;
         case UCG_COM_MSG_CHANGE_RESET_LINE:
             if (ucg_riot_ptr != NULL && gpio_is_valid(ucg_riot_ptr->pin_reset)) {
diff --git a/tests/pkg_ucglib/main.c b/tests/pkg_ucglib/main.c
index 10abb7e514..0eef82921a 100644
--- a/tests/pkg_ucglib/main.c
+++ b/tests/pkg_ucglib/main.c
@@ -54,7 +54,8 @@
 #include "periph/spi.h"
 #endif
 
-#include "xtimer.h"
+#include "timex.h"
+#include "ztimer.h"
 
 #include "ucg.h"
 #include "ucg_riotos.h"
@@ -139,7 +140,7 @@ int main(void)
         screen = (screen + 1) % 3;
 
         /* sleep a little */
-        xtimer_sleep(1);
+        ztimer_sleep(ZTIMER_USEC, US_PER_SEC);
     }
 
     return 0;