diff --git a/hosts/muos/disk-config.nix b/hosts/muos/disk-config.nix
index e3b7c81..aefa76f 100644
--- a/hosts/muos/disk-config.nix
+++ b/hosts/muos/disk-config.nix
@@ -9,7 +9,7 @@
           partitions = {
             ESP = {
               type = "EF00";
-              size = "500M";
+              size = "1000M";
               content = {
                 type = "filesystem";
                 format = "vfat";