diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 9f102cd..ece4550 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -22,4 +22,7 @@ Sounds
 - `invalid_drop` by [fins](http://freesound.org/people/fins/sounds/146726/)
 - `strip_clear` by [Kastenfrosch](http://freesound.org/people/Kastenfrosch/sounds/162461/)
 - `effect_vanish` by [LloydEvans09](http://freesound.org/people/LloydEvans09/sounds/321806/)
+- `effect_waterdrop` by [wubitog](http://freesound.org/people/wubitog/sounds/188381/)
 - `effect_evaporate` by [DissingCreeps](http://freesound.org/people/DissingCreeps/sounds/359153/)
+- `effect_spin` by [martian](http://freesound.org/people/martian/sounds/182243/)
+- `effect_explode` by [carlSablowEdwards](http://freesound.org/people/carlSablowEdwards/sounds/76801/)