diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..89f9ac0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+out/
diff --git a/mandelbrot.c b/src/mandelbrot.c
similarity index 98%
rename from mandelbrot.c
rename to src/mandelbrot.c
index 0fee322..ca009fb 100644
--- a/mandelbrot.c
+++ b/src/mandelbrot.c
@@ -37,7 +37,7 @@ int main() {
       img[i * WIDTH + j] = color_map(depth);
     }
   }
-  write_ppm("mandelbrot.c.ppm", img);
+  write_ppm("out/c.ppm", img);
 
   return 1;
 }
diff --git a/mandelbrot.janet b/src/mandelbrot.janet
similarity index 100%
rename from mandelbrot.janet
rename to src/mandelbrot.janet