diff --git a/locales/en.json b/locales/en.json
index d22ccb0..2966a36 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -36,6 +36,7 @@
     "minecraft.structure.minecraft.stronghold": "Stronghold",
     "minecraft.structure.minecraft.swamp_hut": "Swamp Hut",
     "minecraft.structure.minecraft.trail_ruins": "Trail Ruins",
+    "minecraft.structure.minecraft.trial_chambers": "Trial Chambers",
     "minecraft.structure.minecraft.village_desert": "Desert Village",
     "minecraft.structure.minecraft.village_plains": "Plains Village",
     "minecraft.structure.minecraft.village_savanna": "Savanna Village",
@@ -61,6 +62,7 @@
     "dropdown.add.picker.mod": "Mods (*.jar)",
     "dropdown.add.folder": "Open Folder",
     "dropdown.add.built_in.update_1_20": "Update 1.20",
+    "dropdown.add.built_in.update_1_21": "Update 1.21",
     "dropdown.add.built_in.title": "Built-in Datapacks",
     "dropdown.add.recents.title": "Recently used",
     "dropdown.add.recents.not_found": "Pack not Found. Removing from recently used list.",
diff --git a/scripts/createVanillaZips.py b/scripts/createVanillaZips.py
index 71c34db..b88505a 100644
--- a/scripts/createVanillaZips.py
+++ b/scripts/createVanillaZips.py
@@ -6,7 +6,7 @@
 from shutil import copytree
 
 TMP_PATH = "/tmp/jacobsjo/createVanillaZips/"
-UPDATE_1_20_PATH = TMP_PATH + "data/minecraft/datapacks/update_1_20/"
+DATAPACK_PATH = TMP_PATH + "data/minecraft/datapacks/"
 
 REQUIRED_DATA_TYPES = [
     "worldgen/world_preset",
@@ -36,6 +36,7 @@
     "structures/village/savanna/zombie/town_centers/",
     "structures/village/snowy/zombie/town_centers/",
     "structures/village/taiga/zombie/town_centers/",
+    "structures/trial_chambers/corridor/end",
     "tags/worldgen/world_preset",
     "tags/worldgen/biome",
     "tags/worldgen/structure",
@@ -46,10 +47,12 @@
 ]
 
 REQUIRED_PATHS = ["data/minecraft/datapacks/update_1_20/pack.mcmeta"]
+REQUIRED_PATHS = ["data/minecraft/datapacks/update_1_21/pack.mcmeta"]
 
 for path in REQUIRED_DATA_TYPES:
     REQUIRED_PATHS.append("data/minecraft/" + path)
     REQUIRED_PATHS.append("data/minecraft/datapacks/update_1_20/data/minecraft/" + path)
+    REQUIRED_PATHS.append("data/minecraft/datapacks/update_1_21/data/minecraft/" + path)
 
 for path in REQUIRED_ASSETS_TYPES:
     REQUIRED_PATHS.append("assets/minecraft/" + path)
@@ -63,7 +66,7 @@ def download_and_extract(url: str):
                     jar.extract(file, TMP_PATH)
 
 
-def main(version: str, include_update_1_20: bool, suffix: str = ""):
+def main(version: str, include_datapack: str = "", suffix: str = ""):
     # empty temp folder
     print("Emptying temp folder")
     emptyTmp()
@@ -78,10 +81,10 @@ def main(version: str, include_update_1_20: bool, suffix: str = ""):
     copytree("vanilla_datapack_base/", TMP_PATH, dirs_exist_ok=True)
 
     # zip back up
-    print("Creating fip files")
-    if include_update_1_20:
-        shutil.make_archive("public/vanilla_datapacks/update_1_20", 'zip', UPDATE_1_20_PATH)
-        shutil.rmtree(UPDATE_1_20_PATH)
+    print("Creating zip files")
+    if include_datapack != "":
+        shutil.make_archive("public/vanilla_datapacks/" + include_datapack, 'zip', DATAPACK_PATH + include_datapack + "/")
+        shutil.rmtree(DATAPACK_PATH + include_datapack + "/")
 
     shutil.make_archive("public/vanilla_datapacks/vanilla" + suffix, 'zip', TMP_PATH)
 
@@ -94,5 +97,5 @@ def emptyTmp():
 
 
 if __name__ == "__main__":
-    main('1.19.4', True, "_1_19")
-    main('1.20', False, "_1_20")
+    main('1.19.4', "update_1_20", "_1_19")
+    main('23w45a', "update_1_21", "_1_20")
diff --git a/src/components/dropdown/OpenDropdown.vue b/src/components/dropdown/OpenDropdown.vue
index 311030f..7f8b5b8 100644
--- a/src/components/dropdown/OpenDropdown.vue
+++ b/src/components/dropdown/OpenDropdown.vue
@@ -138,8 +138,13 @@ async function loadFolder(event: MouseEvent) {
 
 const PRESET_DATAPACKS = computed(() => {
     const presets = []
-    if (settingsStore.mc_version === "1_19"){
-        presets.push({ image: UNKOWN_PACK, message_key: "dropdown.add.built_in.update_1_20", url: "vanilla_datapacks/update_1_20.zip" })
+    switch (settingsStore.mc_version){
+        case "1_19":
+            presets.push({ image: UNKOWN_PACK, message_key: "dropdown.add.built_in.update_1_20", url: "vanilla_datapacks/update_1_20.zip" })
+            break
+        case "1_20_2":
+            presets.push({ image: UNKOWN_PACK, message_key: "dropdown.add.built_in.update_1_21", url: "vanilla_datapacks/update_1_21.zip" })
+            break
     }
     return presets
 })
diff --git a/vanilla_datapack_base/data/minecraft/datapacks/update_1_21/data/c/worldgen/structure_icons.json b/vanilla_datapack_base/data/minecraft/datapacks/update_1_21/data/c/worldgen/structure_icons.json
new file mode 100644
index 0000000..afc7788
--- /dev/null
+++ b/vanilla_datapack_base/data/minecraft/datapacks/update_1_21/data/c/worldgen/structure_icons.json
@@ -0,0 +1,3 @@
+{
+    "minecraft:trial_chambers": {"item": "minecraft:trial_spawner"}
+}
\ No newline at end of file