diff --git a/hosts/alto/disko.nix b/hosts/alto/disko.nix
index 67f34e6..56221a9 100644
--- a/hosts/alto/disko.nix
+++ b/hosts/alto/disko.nix
@@ -8,7 +8,7 @@
         partitions = {
           ESP = {
             type = "EF00";
-            size = "500M";
+            size = "512M";
             content = {
               type = "filesystem";
               format = "vfat";