diff --git a/regions/hot.json b/regions/hot.json
index b56bd0fd..0529aae4 100644
--- a/regions/hot.json
+++ b/regions/hot.json
@@ -352,7 +352,7 @@
             {
                 "breakSurface": true,
                 "cave": "sandstone/main",
-                "rarity": 15,
+                "rarity": 20,
                 "caveStartHeight": {
                     "max": 120,
                     "min": 69,
@@ -364,7 +364,7 @@
             {
                 "breakSurface": true,
                 "cave": "red-sandstone/main",
-                "rarity": 15,
+                "rarity": 20,
                 "caveStartHeight": {
                     "max": 120,
                     "min": 69,
@@ -376,7 +376,7 @@
             {
                 "breakSurface": true,
                 "cave": "mixed-sandstone/main",
-                "rarity": 15,
+                "rarity": 10,
                 "caveStartHeight": {
                     "max": 120,
                     "min": 88,
diff --git a/regions/swamp.json b/regions/swamp.json
index 4a89cd14..735854ec 100644
--- a/regions/swamp.json
+++ b/regions/swamp.json
@@ -198,7 +198,7 @@
   "carving": {
     "ravines": [
       {
-        "rarity": 248,
+        "rarity": 100,
         "ravine": "swamp/main"
       },
       {