diff --git a/spikes/make/makefile b/spikes/make/Makefile similarity index 100% rename from spikes/make/makefile rename to spikes/make/Makefile diff --git a/spikes/variadic_macros/makefile b/spikes/variadic_macros/Makefile similarity index 100% rename from spikes/variadic_macros/makefile rename to spikes/variadic_macros/Makefile