diff --git a/src/config.yml b/src/config.yml
index 2ebd0cf..215be14 100644
--- a/src/config.yml
+++ b/src/config.yml
@@ -26,6 +26,7 @@ sit-blocks:
   - ACACIA_STAIRS:0.7
   - DARK_OAK_STAIRS:0.7
   - RED_SANDSTONE_STAIRS:0.7
+  - PURPUR_STAIRS:0.7
 valid-signs:
   - SIGN
   - WALL_SIGN