diff --git a/index.html b/index.html
index d81fdf3..139ec09 100644
--- a/index.html
+++ b/index.html
@@ -511,7 +511,7 @@ span.cat-color {
 			  <label for='add_contribution_cost' class="col-xs-3 control-label">Coût</label>
 			  <div class='col-xs-9'>
 				<div class="input-group">
-					<input type='number' id='add_contribution_cost' class="form-control" placeholder='0.00'/>
+					<input type='number' id='add_contribution_cost' step='0.05' class="form-control" placeholder='0.00'/>
 					<span class="input-group-addon">€</span>
 				</div>
 			  </div>