diff --git a/js/progress.js b/js/progress.js
index 361bc6b..4e7f700 100644
--- a/js/progress.js
+++ b/js/progress.js
@@ -165,7 +165,7 @@ addLayer("p", {
                     ["bar", "deltaRank"],
                     ["bar", "epsilonRank"]
                 ],
-                unlocked() { return getAlphaLevel().gte(15) }
+                unlocked() { return getAlphaLevel().gte(18) }
             }
         }
     },