diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 8eaa30c..44e75a4 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -2,3 +2,4 @@
 
 * David Rice [@davidjrice](https://github.com/davidjrice)
 * Thomas Buckley-Houston [@tombh](https://github.com/tombh)
+* Martin Sidaway [@martinjos](https://github.com/martinjos)
\ No newline at end of file