diff --git a/pkgs/games/minecraft-servers/versions.json b/pkgs/games/minecraft-servers/versions.json
index 86239afe8579..a03d4ef79963 100644
--- a/pkgs/games/minecraft-servers/versions.json
+++ b/pkgs/games/minecraft-servers/versions.json
@@ -1,8 +1,8 @@
 {
   "1.21": {
-    "sha1": "e6ec2f64e6080b9b5d9b471b291c33cc7f509733",
-    "url": "https://piston-data.mojang.com/v1/objects/e6ec2f64e6080b9b5d9b471b291c33cc7f509733/server.jar",
-    "version": "1.21.5",
+    "sha1": "6e64dcabba3c01a7271b4fa6bd898483b794c59b",
+    "url": "https://piston-data.mojang.com/v1/objects/6e64dcabba3c01a7271b4fa6bd898483b794c59b/server.jar",
+    "version": "1.21.6",
     "javaVersion": 21
   },
   "1.20": {