diff --git a/flake.lock b/flake.lock
index 9e647f7..961eac7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1782588036,
-        "narHash": "sha256-P9Yo/RUkpZ/DG9codcNFxcVetpFSaIUlTFdUzcUN+kw=",
+        "lastModified": 1786383053,
+        "narHash": "sha256-7cmIJnDfBYuzFTblGx9qz7EKID4b+/AGhRYAauzXndI=",
         "owner": "Mop-u",
         "repo": "moppkgs",
-        "rev": "932a32eee47ec26372da474ae4397fdd745f26a8",
+        "rev": "901cd03776884664fd2c581d6ffccb8ae7ce335f",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1780749050,
-        "narHash": "sha256-3av0pIjlOWQ6rDbNOmpUSvbNnJkGORQKKjb4LtCZsIY=",
+        "lastModified": 1788752844,
+        "narHash": "sha256-VaWGJ6+cIYN2erfSecbRV+4ljI185Ty2wUrXyvQbgOw=",
         "owner": "Nixos",
         "repo": "nixpkgs",
-        "rev": "a799d3e3886da994fa307f817a6bc705ae538eeb",
+        "rev": "dc5d91f840324650bac8c379428c7037a416959a",
         "type": "github"
       },
       "original": {
diff --git a/lib/fusesocLib.nix b/lib/fusesocLib.nix
index 9f72439..9b75a16 100644
--- a/lib/fusesocLib.nix
+++ b/lib/fusesocLib.nix
@@ -21,7 +21,7 @@ rec {
     let
       jsonFile = runCommand "from-yaml-${baseNameOf path}" {
         nativeBuildInputs = [ remarshal ];
-      } ''remarshal -k -if yaml -i "${path}" -of json -o "$out"'';
+      } ''remarshal --stringify --from yaml --to json "${path}" "$out"'';
     in
     builtins.fromJSON (builtins.readFile jsonFile);
 
diff --git a/lib/importCore.nix b/lib/importCore.nix
index 30d2210..128d44f 100644
--- a/lib/importCore.nix
+++ b/lib/importCore.nix
@@ -115,7 +115,7 @@ lib.extendMkDerivation {
               cp ${file} $out/${file}
             '') coreFileset
           )}
-          cp ${(formats.yaml { }).generate coreName patchedCore} $out/${coreName}
+          cp ${(formats.yaml_1_2 { }).generate coreName patchedCore} $out/${coreName}
         '';
     };
 }