diff --git a/cpu/esp32/Makefile.dep b/cpu/esp32/Makefile.dep
index a85d61af3f..bfbd5397c4 100644
--- a/cpu/esp32/Makefile.dep
+++ b/cpu/esp32/Makefile.dep
@@ -5,6 +5,7 @@ include $(RIOTCPU)/esp_common/Makefile.dep
 USEMODULE += esp_idf_driver
 USEMODULE += esp_idf_esp32
 USEMODULE += esp_idf_soc
+USEMODULE += newlib_nano
 USEMODULE += pm_layered
 
 ifneq (,$(filter cpp,$(FEATURES_USED)))