diff --git a/Bukkit/build.gradle.kts b/Bukkit/build.gradle.kts
index a254af980..21991180a 100644
--- a/Bukkit/build.gradle.kts
+++ b/Bukkit/build.gradle.kts
@@ -39,7 +39,9 @@ dependencies {
     }
     compileOnly(libs.placeholderapi)
     compileOnly(libs.luckperms)
-    compileOnly(libs.essentialsx)
+    compileOnly(libs.essentialsx) {
+        exclude(group = "org.spigotmc")
+    }
     compileOnly(libs.mvdwapi) { isTransitive = false }
 
     // Other libraries
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 5f84e411a..e2a1b2222 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 # Platform expectations
-paper = "1.20.4-R0.1-SNAPSHOT"
+paper = "1.21.4-R0.1-SNAPSHOT"
 guice = "7.0.0"
 spotbugs = "4.9.0"
 checkerqual = "3.48.4"