diff --git a/boards/stm32f030f4-demo/Makefile.dep b/boards/stm32f030f4-demo/Makefile.dep
new file mode 100644
index 0000000000..b71192dbac
--- /dev/null
+++ b/boards/stm32f030f4-demo/Makefile.dep
@@ -0,0 +1,3 @@
+# Use Picolibc to reduce ROM usage
+FEATURES_REQUIRED += picolibc
+USEMODULE += picolibc