diff --git a/src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java b/src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java
index a9a8940..9d70c48 100644
--- a/src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java
+++ b/src/main/java/me/clip/placeholderapi/expansion/NMSVersion.java
@@ -51,7 +51,10 @@ public enum NMSVersion {
   SPIGOT_1_20_R2("v1_20_R2"),
   SPIGOT_1_20_R3("v1_20_R3"),
   SPIGOT_1_20_R4("v1_20_R4"),
-  SPIGOT_1_21_R1("v1_21_R1");
+  SPIGOT_1_21_R1("v1_21_R1"),
+  SPIGOT_1_21_R2("V1_21_R2"),
+  SPIGOT_1_21_R3("V1_21_R3"),
+  SPIGOT_1_21_R4("V1_21_R4");
 
   private final String version;