diff --git a/action.yml b/action.yml
index eb308ea..405f9b7 100644
--- a/action.yml
+++ b/action.yml
@@ -39,8 +39,8 @@ inputs:
     description: "Whether to upload build results to FlakeHub."
     default: true
     required: false
-  attic-server:
-    description: "The Attic binary cache server."
+  flakehub-cache-server:
+    description: "The FlakeHub binary cache server."
     default: "https://attic-test.fly.dev"
   flakehub-api-server:
     description: "The FlakeHub API server."
diff --git a/src/index.ts b/src/index.ts
index e505d26..cc56a3d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -140,7 +140,7 @@ async function setUpAutoCache() {
     ].concat(
       core.getInput('use-flakehub') === 'true' ? [
         '--use-flakehub',
-        '--attic-server', core.getInput('attic-server'),
+        '--flakehub-cache-server', core.getInput('flakehub-cache-server'),
         '--flakehub-api-server', core.getInput('flakehub-api-server'),
         '--flakehub-api-server-netrc', path.join(process.env['RUNNER_TEMP'], 'determinate-nix-installer-netrc'),
       ] : []).concat(