diff --git a/api/src/main/java/org/geysermc/floodgate/api/FloodgateApi.java b/api/src/main/java/org/geysermc/floodgate/api/FloodgateApi.java
index 45171ab6..38f368d8 100644
--- a/api/src/main/java/org/geysermc/floodgate/api/FloodgateApi.java
+++ b/api/src/main/java/org/geysermc/floodgate/api/FloodgateApi.java
@@ -28,7 +28,7 @@ package org.geysermc.floodgate.api;
 import java.util.Collection;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
-import org.geysermc.cumulus.Form;
+import org.geysermc.cumulus.form.Form;
 import org.geysermc.cumulus.util.FormBuilder;
 import org.geysermc.floodgate.api.link.PlayerLink;
 import org.geysermc.floodgate.api.player.FloodgatePlayer;
@@ -94,7 +94,7 @@ public interface FloodgateApi {
 
     boolean sendForm(UUID uuid, Form form);
 
-    boolean sendForm(UUID uuid, FormBuilder<?, ?> formBuilder);
+    boolean sendForm(UUID uuid, FormBuilder<?, ?, ?> formBuilder);
 
     boolean transferPlayer(UUID uuid, String address, int port);
 
diff --git a/api/src/main/java/org/geysermc/floodgate/api/player/FloodgatePlayer.java b/api/src/main/java/org/geysermc/floodgate/api/player/FloodgatePlayer.java
index 8ade2d12..584e2943 100644
--- a/api/src/main/java/org/geysermc/floodgate/api/player/FloodgatePlayer.java
+++ b/api/src/main/java/org/geysermc/floodgate/api/player/FloodgatePlayer.java
@@ -26,7 +26,7 @@
 package org.geysermc.floodgate.api.player;
 
 import java.util.UUID;
-import org.geysermc.cumulus.Form;
+import org.geysermc.cumulus.form.Form;
 import org.geysermc.cumulus.util.FormBuilder;
 import org.geysermc.floodgate.api.FloodgateApi;
 import org.geysermc.floodgate.util.DeviceOs;
@@ -115,7 +115,7 @@ public interface FloodgatePlayer {
         return FloodgateApi.getInstance().sendForm(getCorrectUniqueId(), form);
     }
 
-    default boolean sendForm(FormBuilder<?, ?> formBuilder) {
+    default boolean sendForm(FormBuilder<?, ?, ?> formBuilder) {
         return sendForm(formBuilder.build());
     }
 
diff --git a/build-logic/src/main/kotlin/Versions.kt b/build-logic/src/main/kotlin/Versions.kt
index 4ce4c6f4..74b115c6 100644
--- a/build-logic/src/main/kotlin/Versions.kt
+++ b/build-logic/src/main/kotlin/Versions.kt
@@ -24,17 +24,17 @@
  */
 
 object Versions {
-    const val geyserVersion= "2.0.0-SNAPSHOT"
-    const val cumulusVersion= "1.0-SNAPSHOT"
-    const val spigotVersion= "1.13-R0.1-SNAPSHOT"
-    const val fastutilVersion= "8.5.3"
-    const val lombokVersion= "1.18.20"
-    const val guiceVersion= "5.0.1"
-    const val nettyVersion= "4.1.49.Final"
-    const val snakeyamlVersion= "1.28"
-    const val cloudVersion= "1.5.0"
-    const val adventureApiVersion= "4.9.1"
-    const val adventurePlatformVersion= "4.0.0"
+    const val geyserVersion = "2.0.1-cumulus-SNAPSHOT"
+    const val cumulusVersion = "1.1-SNAPSHOT"
+    const val spigotVersion = "1.13-R0.1-SNAPSHOT"
+    const val fastutilVersion = "8.5.3"
+    const val lombokVersion = "1.18.20"
+    const val guiceVersion = "5.0.1"
+    const val nettyVersion = "4.1.49.Final"
+    const val snakeyamlVersion = "1.28"
+    const val cloudVersion = "1.5.0"
+    const val adventureApiVersion = "4.9.1"
+    const val adventurePlatformVersion = "4.0.0"
 
     const val javaWebsocketVersion = "1.5.2"
 
diff --git a/core/src/main/java/org/geysermc/floodgate/api/SimpleFloodgateApi.java b/core/src/main/java/org/geysermc/floodgate/api/SimpleFloodgateApi.java
index 8974396f..f01cd64f 100644
--- a/core/src/main/java/org/geysermc/floodgate/api/SimpleFloodgateApi.java
+++ b/core/src/main/java/org/geysermc/floodgate/api/SimpleFloodgateApi.java
@@ -37,7 +37,7 @@ import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
 import lombok.RequiredArgsConstructor;
-import org.geysermc.cumulus.Form;
+import org.geysermc.cumulus.form.Form;
 import org.geysermc.cumulus.util.FormBuilder;
 import org.geysermc.floodgate.api.logger.FloodgateLogger;
 import org.geysermc.floodgate.api.player.FloodgatePlayer;
@@ -121,7 +121,7 @@ public class SimpleFloodgateApi implements FloodgateApi {
     }
 
     @Override
-    public boolean sendForm(UUID uuid, FormBuilder<?, ?> formBuilder) {
+    public boolean sendForm(UUID uuid, FormBuilder<?, ?, ?> formBuilder) {
         return sendForm(uuid, formBuilder.build());
     }
 
diff --git a/core/src/main/java/org/geysermc/floodgate/pluginmessage/channel/FormChannel.java b/core/src/main/java/org/geysermc/floodgate/pluginmessage/channel/FormChannel.java
index 5f546d8e..9d48b732 100644
--- a/core/src/main/java/org/geysermc/floodgate/pluginmessage/channel/FormChannel.java
+++ b/core/src/main/java/org/geysermc/floodgate/pluginmessage/channel/FormChannel.java
@@ -31,13 +31,16 @@ import it.unimi.dsi.fastutil.shorts.Short2ObjectMap;
 import it.unimi.dsi.fastutil.shorts.Short2ObjectOpenHashMap;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicInteger;
-import org.geysermc.cumulus.Form;
+import org.geysermc.cumulus.form.Form;
+import org.geysermc.cumulus.form.impl.FormDefinition;
+import org.geysermc.cumulus.form.impl.FormDefinitions;
 import org.geysermc.floodgate.api.logger.FloodgateLogger;
 import org.geysermc.floodgate.config.FloodgateConfig;
 import org.geysermc.floodgate.platform.pluginmessage.PluginMessageUtils;
 import org.geysermc.floodgate.pluginmessage.PluginMessageChannel;
 
 public class FormChannel implements PluginMessageChannel {
+    private final FormDefinitions formDefinitions = FormDefinitions.instance();
     private final Short2ObjectMap<Form> storedForms = new Short2ObjectOpenHashMap<>();
     private final AtomicInteger nextFormId = new AtomicInteger(0);
 
@@ -103,10 +106,15 @@ public class FormChannel implements PluginMessageChannel {
         }
         storedForms.put(formId, form);
 
-        byte[] jsonData = form.getJsonData().getBytes(Charsets.UTF_8);
+        FormDefinition<Form, ?, ?> definition = formDefinitions.definitionFor(form);
+
+        byte[] jsonData =
+                definition.codec()
+                        .jsonData(form)
+                        .getBytes(Charsets.UTF_8);
 
         byte[] data = new byte[jsonData.length + 3];
-        data[0] = (byte) form.getType().ordinal();
+        data[0] = (byte) definition.formType().ordinal();
         data[1] = (byte) (formId >> 8 & 0xFF);
         data[2] = (byte) (formId & 0xFF);
         System.arraycopy(jsonData, 0, data, 3, jsonData.length);
@@ -117,7 +125,12 @@ public class FormChannel implements PluginMessageChannel {
         Form storedForm = storedForms.remove(getFormId(data));
         if (storedForm != null) {
             String responseData = new String(data, 2, data.length - 2, Charsets.UTF_8);
-            storedForm.getResponseHandler().accept(responseData);
+            try {
+                formDefinitions.definitionFor(storedForm)
+                        .handleFormResponse(storedForm, responseData);
+            } catch (Exception e) {
+                logger.error("Error while processing form response!", e);
+            }
             return true;
         }
         return false;