diff --git a/src/cli/alias/snapshots/rtx__cli__alias__set__tests__alias_set.snap b/src/cli/alias/snapshots/rtx__cli__alias__set__tests__alias_set.snap
index a3e65eb2e1..1d9e3ed878 100644
--- a/src/cli/alias/snapshots/rtx__cli__alias__set__tests__alias_set.snap
+++ b/src/cli/alias/snapshots/rtx__cli__alias__set__tests__alias_set.snap
@@ -2,7 +2,7 @@
 source: src/cli/alias/set.rs
 expression: output
 ---
-java                 lts                  17
+java                 lts                  21
 node                 lts                  18
 node                 lts-argon            4
 node                 lts-boron            6
diff --git a/src/cli/alias/snapshots/rtx__cli__alias__unset__tests__alias_unset.snap b/src/cli/alias/snapshots/rtx__cli__alias__unset__tests__alias_unset.snap
index 2f8d56f551..d9f77f6285 100644
--- a/src/cli/alias/snapshots/rtx__cli__alias__unset__tests__alias_unset.snap
+++ b/src/cli/alias/snapshots/rtx__cli__alias__unset__tests__alias_unset.snap
@@ -2,7 +2,7 @@
 source: src/cli/alias/unset.rs
 expression: output
 ---
-java                 lts                  17
+java                 lts                  21
 node                 lts                  18
 node                 lts-argon            4
 node                 lts-boron            6
diff --git a/src/plugins/core/java.rs b/src/plugins/core/java.rs
index 2f53767107..91cfb1eded 100644
--- a/src/plugins/core/java.rs
+++ b/src/plugins/core/java.rs
@@ -241,7 +241,7 @@ impl Plugin for JavaPlugin {
     }
 
     fn get_aliases(&self, _settings: &Settings) -> Result<BTreeMap<String, String>> {
-        let aliases = BTreeMap::from([("lts".into(), "17".into())]);
+        let aliases = BTreeMap::from([("lts".into(), "21".into())]);
         Ok(aliases)
     }