diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 9fce8518b..66a6a0bd4 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -204,7 +204,7 @@ public class Main {
                     Date buildDate = new Date(Integer.parseInt(Main.class.getPackage().getImplementationVendor()) * 1000L);
 
                     Calendar deadline = Calendar.getInstance();
-                    deadline.add(Calendar.DAY_OF_YEAR, -7);
+                    deadline.add(Calendar.DAY_OF_YEAR, -21);
                     if (buildDate.before(deadline.getTime())) {
                         System.err.println("*** Error, this build is outdated ***");
                         System.err.println("*** Please download a new build as per instructions from https://www.spigotmc.org/go/outdated-spigot ***");