diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 4b2bea419..218fa7fd6 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 # Minecraft expectations
-paper = "1.21-R0.1-SNAPSHOT"
+paper = "1.21.3-R0.1-SNAPSHOT"
 fastutil = "8.5.9"
 guava = "31.1-jre"
 log4j = "2.19.0"
diff --git a/steamwarci.yml b/steamwarci.yml
index 612416b6b..74cbcadc0 100644
--- a/steamwarci.yml
+++ b/steamwarci.yml
@@ -3,7 +3,7 @@ build:
   - "JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64 ./gradlew --stop"
 
 artifacts:
-  "/binarys/FastAsyncWorldEdit-1.21.jar": "worldedit-bukkit/build/libs/FastAsyncWorldEdit-Paper-2.12.3-SNAPSHOT.jar"
+  "/binarys/FastAsyncWorldEdit-1.21.jar": "worldedit-bukkit/build/libs/FastAsyncWorldEdit-Bukkit-2.12.3-SNAPSHOT.jar"
 
 release:
   - "mvn deploy:deploy-file -DgroupId=de.steamwar -DartifactId=fastasyncworldedit -Dversion=1.21 -Dpackaging=jar -Dfile=/binarys/FastAsyncWorldEdit-1.21.jar -Durl=file:///var/www/html/maven/"
diff --git a/worldedit-bukkit/src/test/java/com/sk89q/wepif/TestOfflinePermissible.java b/worldedit-bukkit/src/test/java/com/sk89q/wepif/TestOfflinePermissible.java
index 9415a88f5..b9edc621a 100644
--- a/worldedit-bukkit/src/test/java/com/sk89q/wepif/TestOfflinePermissible.java
+++ b/worldedit-bukkit/src/test/java/com/sk89q/wepif/TestOfflinePermissible.java
@@ -376,4 +376,9 @@ public class TestOfflinePermissible implements OfflinePlayer, Permissible {
         return null;
     }
 
+    @Override
+    public @NotNull PersistentDataContainerView getPersistentDataContainer() {
+        return null;
+    }
+
 }