diff --git a/nix/packages/backend.nix b/nix/packages/backend.nix
index e00b91b..06499fd 100644
--- a/nix/packages/backend.nix
+++ b/nix/packages/backend.nix
@@ -19,7 +19,7 @@ php.buildComposerProject (finalAttrs: {
   composerNoPlugins = true;
   composerNoScripts = true;
 
-  vendorHash = "sha256-OYpfX435tPJqiOzQPpWPXCVH1rTeQ74dGuNVyk6+c1A=";
+  vendorHash = "sha256-MckSwzA5JP+wLV6P96OyOVxmDANZpg8bqqG8B7RSgnY=";
 
   passthru = {
     inherit php;