diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 44708c4be..0b627d03f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -3,8 +3,8 @@ spigot = "1.13-R0.1-SNAPSHOT"
 placeholderapi = "2.12.2"
 headdatabase-api = "1.3.2"
 bstats = "3.1.0"
-item-nbt-api = "2.15.5"
-xseries = "13.6.0"
+item-nbt-api = "2.15.7"
+xseries = "13.6.0+26.1"
 lombok = "1.18.44"
 annotations = "26.1.0"
 # Test
@@ -20,7 +20,7 @@ placeholderapi = { module = "me.clip:placeholderapi", version.ref = "placeholder
 headdatabase-api = { module = "com.arcaniax:HeadDatabase-API", version.ref = "headdatabase-api" }
 bstats-bukkit = { module = "org.bstats:bstats-bukkit", version.ref = "bstats" }
 item-nbt-api = { module = "de.tr7zw:item-nbt-api", version.ref = "item-nbt-api" }
-xseries = { module = "com.github.cryptomorin:XSeries", version.ref = "xseries" }
+xseries = { module = "io.github.almighty-satan:XSeries", version.ref = "xseries" }
 lombok = { module = "org.projectlombok:lombok", version.ref = "lombok" }
 annotations = { module = "org.jetbrains:annotations", version.ref = "annotations" }
 # Test
diff --git a/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityPacketsBuilder.java b/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityPacketsBuilder.java
index 86f545721..308f89efe 100644
--- a/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityPacketsBuilder.java
+++ b/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityPacketsBuilder.java
@@ -120,7 +120,8 @@ EntityPacketsBuilder withRemoveEntity(int entityId) {
     }
 
     private void sendPacket(Player player, Packet<?> packet) {
-        ((CraftPlayer) player).getHandle().connection.sendPacket(packet);
+        // #sendPacket also exists, but Paper doesn't have that method
+        ((CraftPlayer) player).getHandle().connection.send(packet);
     }
 
     private net.minecraft.world.item.ItemStack itemStackToNms(ItemStack itemStack) {
diff --git a/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityTypeRegistry.java b/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityTypeRegistry.java
index f8f20118a..a15e97f34 100644
--- a/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityTypeRegistry.java
+++ b/nms/nms-v26_1/src/main/java/eu/decentsoftware/holograms/nms/v26_1/EntityTypeRegistry.java
@@ -29,8 +29,8 @@ static net.minecraft.world.entity.EntityType<?> findEntityTypes(EntityType entit
     private static NamespacedKey getNamespacedKey(EntityType entityType) {
         try {
             // Using the deprecated #getKey method because #getKeyOrThrow and #getKeyOrNull don't exist on Paper.
-            return entityType.getKeyOrThrow();
-        } catch (IllegalStateException e) {
+            return entityType.getKey();
+        } catch (IllegalStateException _) {
             throw new DecentHologramsNmsException("Couldn't get key for entity type: " + entityType);
         }
     }
diff --git a/plugin/src/main/java/eu/decentsoftware/holograms/api/utils/reflect/Version.java b/plugin/src/main/java/eu/decentsoftware/holograms/api/utils/reflect/Version.java
index a47ede5e2..7675a22e7 100644
--- a/plugin/src/main/java/eu/decentsoftware/holograms/api/utils/reflect/Version.java
+++ b/plugin/src/main/java/eu/decentsoftware/holograms/api/utils/reflect/Version.java
@@ -45,7 +45,7 @@ public enum Version {
     paper_v1_21_R6(21, Platform.PAPER, "1.21.9", "1.21.10"),
     v1_21_R7(21, Platform.SPIGOT, "1.21.11"),
     paper_v1_21_R7(21, Platform.PAPER, "1.21.11"),
-    v26_1(26, Platform.SPIGOT, "26.1"),
+    v26_1(26, Platform.ALL, "26.1", "26.1.1", "26.1.2"),
     ;
 
     /*
@@ -72,7 +72,13 @@ private static Platform getServerPlatform() {
 
     private static String getCurrentMinecraftVersion() {
         // Bukkit version (e.g., 1.20.6-R0.1-SNAPSHOT)
-        String bukkitVersion = Bukkit.getServer().getBukkitVersion();
+        String bukkitVersion;
+        if (CURRENT_SERVER_PLATFORM == Platform.PAPER) {
+            // Since 26.1, Paper returns the version in a wrong format from #getBukkitVersion() (e.g.: "26.1.2.build.52-beta")
+            bukkitVersion = Bukkit.getServer().getVersion();
+        } else {
+            bukkitVersion = Bukkit.getServer().getBukkitVersion();
+        }
         // Minecraft version (e.g., 1.20.6)
         return bukkitVersion.split("-", 2)[0];
     }