diff --git a/engine-proto/engine.jl b/engine-proto/Engine.jl
similarity index 99%
rename from engine-proto/engine.jl
rename to engine-proto/Engine.jl
index 6d3636d..a632581 100644
--- a/engine-proto/engine.jl
+++ b/engine-proto/Engine.jl
@@ -1,4 +1,4 @@
-include("hitting-set.jl")
+include("HittingSet.jl")
 
 module Engine
 
diff --git a/engine-proto/hitting-set.jl b/engine-proto/HittingSet.jl
similarity index 100%
rename from engine-proto/hitting-set.jl
rename to engine-proto/HittingSet.jl