diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 6f564513b4..cb593331ab 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -86,13 +86,13 @@ object Versions {
     }
     
     object Allay {
-        const val api = "0.13.0"
+        const val api = "0.20.0"
         const val gson = "2.13.2"
         
-        const val mappings = "15398c1"
-        const val mappingsGenerator = "8fa6058"
+        const val mappings = "366baa6"
+        const val mappingsGenerator = "e957088"
         
-        const val mcmeta = "e85a17c"
+        const val mcmeta = "c976eb3"
     }
     
     object Minestom {
diff --git a/platforms/allay/README.md b/platforms/allay/README.md
index 31d437325b..48ff788478 100644
--- a/platforms/allay/README.md
+++ b/platforms/allay/README.md
@@ -2,7 +2,7 @@
 
 ## Resource files
 
-Current mapping version: je 1.21.9 to be 1.21.111
+Current mapping version: je 1.21.11 to be 1.21.111
 
 - `mapping/biomes.json` and `mapping/items.json` are obtained from [GeyserMC/mappings](https://github.com/GeyserMC/mappings).
 - `mapping/blocks.json` is obtained from [GeyserMC/mappings-generator](https://github.com/GeyserMC/mappings-generator) (path: `https://github.com/GeyserMC/mappings-generator/blob/master/generator_blocks.json`).