diff --git a/buildsystem-core/src/main/java/de/eintosti/buildsystem/internal/CraftBukkitVersion.java b/buildsystem-core/src/main/java/de/eintosti/buildsystem/internal/CraftBukkitVersion.java
index 5c23eca9..091838da 100644
--- a/buildsystem-core/src/main/java/de/eintosti/buildsystem/internal/CraftBukkitVersion.java
+++ b/buildsystem-core/src/main/java/de/eintosti/buildsystem/internal/CraftBukkitVersion.java
@@ -69,6 +69,7 @@ public enum CraftBukkitVersion {
     v1_21_R1(3953, CustomBlocks_1_20_R1.class, GameRules_1_13_R1.class),
     v1_21_R2(4082, CustomBlocks_1_20_R1.class, GameRules_1_13_R1.class),
     v1_21_R3(4189, CustomBlocks_1_20_R1.class, GameRules_1_13_R1.class),
+    v1_21_R4(4325, CustomBlocks_1_20_R1.class, GameRules_1_13_R1.class),
     UNKNOWN;
 
     private final int dataVersion;
@@ -163,8 +164,10 @@ public static CraftBukkitVersion matchCraftBukkitVersion(MinecraftVersion versio
                     return v1_21_R1;
                 } else if (patch <= 3) {
                     return v1_21_R2;
-                } else {
+                } else if (patch == 4) {
                     return v1_21_R3;
+                } else {
+                    return v1_21_R4;
                 }
             default:
                 if (Boolean.getBoolean("Paper.ignoreWorldDataVersion")) {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 3b996a94..41c3624d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 # Platform expectations
-spigot = "1.21.4-R0.1-SNAPSHOT"
+spigot = "1.21.5-R0.1-SNAPSHOT"
 paperlib = "1.0.8"
 
 # Plugins
@@ -14,7 +14,7 @@ authlib = "1.5.25"
 bstats = "3.1.0"
 fastboard = "2.1.4"
 nbt = "1.5.1"
-xseries = "13.2.0"
+xseries = "13.3.0"
 
 [libraries]
 # Platform expectations
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1f033340..8dd5c963 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -17,7 +17,7 @@
 #
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.1-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists