diff --git a/src/main/java/org/bukkit/entity/CreatureType.java b/src/main/java/org/bukkit/entity/CreatureType.java
index 086e6462..a442c875 100644
--- a/src/main/java/org/bukkit/entity/CreatureType.java
+++ b/src/main/java/org/bukkit/entity/CreatureType.java
@@ -15,7 +15,8 @@ public enum CreatureType {
     SKELETON("Skeleton"),
     SPIDER("Spider"),
     ZOMBIE("Zombie"),
-    SQUID("Squid");
+    SQUID("Squid"),
+    SLIME("Slime");
 
     private String name;
 
diff --git a/src/main/java/org/bukkit/entity/MobType.java b/src/main/java/org/bukkit/entity/MobType.java
index b3d14800..1a07f641 100644
--- a/src/main/java/org/bukkit/entity/MobType.java
+++ b/src/main/java/org/bukkit/entity/MobType.java
@@ -18,7 +18,8 @@ public enum MobType {
     SKELETON("Skeleton"),
     SPIDER("Spider"),
     ZOMBIE("Zombie"),
-    SQUID("Squid");
+    SQUID("Squid"),
+    SLIME("Slime");
 
     private String name;