diff --git a/pom.xml b/pom.xml
index aa66b07..723d2fe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -65,7 +65,7 @@
         <!-- Do not change unless you want different name for local builds. -->
         <build.number>-LOCAL</build.number>
         <!-- This allows to change between versions. -->
-        <build.version>1.17.2</build.version>
+        <build.version>1.18.0</build.version>
         <!-- Sonar Cloud -->
         <sonar.projectKey>BentoBoxWorld_AcidIsland</sonar.projectKey>
         <sonar.organization>bentobox-world</sonar.organization>
diff --git a/src/main/java/world/bentobox/acidisland/world/ChunkGeneratorWorld.java b/src/main/java/world/bentobox/acidisland/world/ChunkGeneratorWorld.java
index d9508ca..fbbbe56 100644
--- a/src/main/java/world/bentobox/acidisland/world/ChunkGeneratorWorld.java
+++ b/src/main/java/world/bentobox/acidisland/world/ChunkGeneratorWorld.java
@@ -76,6 +76,8 @@ private void addNoise(@NonNull WorldInfo worldInfo, int chunkX, int chunkZ, @Non
                 }
             }
         }
+        // Make an solid base so sand doesn't fall into the void
+        chunkData.setRegion(0, worldInfo.getMinHeight(), 0, 16, worldInfo.getMinHeight() + 1 , 16, Material.BEDROCK);
     }
 
     @Override