diff --git a/overviewer_core/src/block_class.c b/overviewer_core/src/block_class.c
index 5645f0c..c07f47d 100644
--- a/overviewer_core/src/block_class.c
+++ b/overviewer_core/src/block_class.c
@@ -71,6 +71,7 @@ const mc_block_t block_class_stair[] = {
     block_acacia_stairs,
     block_dark_oak_stairs,
     block_red_sandstone_stairs,
+    block_smooth_red_sandstone_stairs,
     block_purpur_stairs,
     block_prismarine_stairs,
     block_dark_prismarine_stairs,
@@ -140,6 +141,7 @@ const mc_block_t block_class_ancil[] = {
     block_acacia_stairs,
     block_dark_oak_stairs,
     block_red_sandstone_stairs,
+    block_smooth_red_sandstone_stairs,
     block_purpur_stairs,
     block_prismarine_stairs,
     block_dark_prismarine_stairs,
@@ -210,6 +212,7 @@ const mc_block_t block_class_alt_height[] = {
     block_acacia_stairs,
     block_dark_oak_stairs,
     block_red_sandstone_stairs,
+    block_smooth_red_sandstone_stairs,
     block_prismarine_stairs,
     block_dark_prismarine_stairs,
     block_prismarine_brick_stairs,
diff --git a/overviewer_core/src/mc_id.h b/overviewer_core/src/mc_id.h
index f47168a..2ded723 100644
--- a/overviewer_core/src/mc_id.h
+++ b/overviewer_core/src/mc_id.h
@@ -183,6 +183,7 @@ enum mc_block_id {
     block_daylight_detector_inverted = 178,
     block_red_sandstone = 179,
     block_red_sandstone_stairs = 180,
+    block_smooth_red_sandstone_stairs = 11415,
     block_double_stone_slab2 = 181,
     block_stone_slab2 = 182,
     block_spruce_fence_gate = 183,
diff --git a/overviewer_core/src/overviewer.h b/overviewer_core/src/overviewer.h
index 6126365..49955ad 100644
--- a/overviewer_core/src/overviewer.h
+++ b/overviewer_core/src/overviewer.h
@@ -31,7 +31,7 @@
 
 // increment this value if you've made a change to the c extesion
 // and want to force users to rebuild
-#define OVERVIEWER_EXTENSION_VERSION 75
+#define OVERVIEWER_EXTENSION_VERSION 76
 
 #include <stdbool.h>
 #include <stdint.h>
diff --git a/overviewer_core/textures.py b/overviewer_core/textures.py
index 3367fcd..7f27b3b 100644
--- a/overviewer_core/textures.py
+++ b/overviewer_core/textures.py
@@ -1958,8 +1958,9 @@ block(blockid=52, top_image="assets/minecraft/textures/block/spawner.png", trans
 # wooden, cobblestone, red brick, stone brick, netherbrick, sandstone, spruce, birch,
 # jungle, quartz, red sandstone, (dark) prismarine, mossy brick and mossy cobblestone, stone smooth_quartz
 # polished_granite polished_andesite polished_diorite granite diorite andesite end_stone_bricks red_nether_brick stairs
+# smooth_red_sandstone_stairs
 @material(blockid=[53, 67, 108, 109, 114, 128, 134, 135, 136, 156, 163, 164, 180, 203, 11337, 11338, 11339,
-          11370, 11371, 11374, 11375, 11376, 11377, 11378, 11379, 11380, 11381, 11382, 11383, 11384], 
+          11370, 11371, 11374, 11375, 11376, 11377, 11378, 11379, 11380, 11381, 11382, 11383, 11384, 11415], 
           data=list(range(128)), transparent=True, solid=True, nospawn=True)
 def stairs(self, blockid, data):
     # preserve the upside-down bit
@@ -2004,6 +2005,7 @@ def stairs(self, blockid, data):
         11382: "assets/minecraft/textures/block/andesite.png",
         11383: "assets/minecraft/textures/block/end_stone_bricks.png",
         11384: "assets/minecraft/textures/block/red_nether_bricks.png",
+        11415: "assets/minecraft/textures/block/red_sandstone_top.png",
     }
 
     texture = self.load_image_texture(stair_id_to_tex[blockid]).copy()
diff --git a/overviewer_core/world.py b/overviewer_core/world.py
index daafceb..0558d91 100644
--- a/overviewer_core/world.py
+++ b/overviewer_core/world.py
@@ -831,6 +831,7 @@ class RegionSet(object):
             'minecraft:dark_oak_sapling': (11390, 0),
             'minecraft:bamboo_sapling': (11413, 0),
             'minecraft:scaffolding': (11414, 0),
+            "minecraft:smooth_red_sandstone_stairs": (11415, 0),
             # adding a gap in the numbering of walls to keep them all
             # in one numbering block starting at 21000
             'minecraft:andesite_wall': (21000, 0),