diff --git a/action.yml b/action.yml
index d46e9ef..527eb67 100644
--- a/action.yml
+++ b/action.yml
@@ -19,7 +19,6 @@ inputs:
   source-branch:
     description: The branch of `magic-nix-cache` to use. Conflicts with all other `source-*` options.
     required: false
-    default: main
   source-pr:
     description: The PR of `magic-nix-cache` to use. Conflicts with all other `source-*` options.
     required: false
diff --git a/dist/index.js b/dist/index.js
index cc9b2de..8147e7c 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -12135,7 +12135,7 @@ function getCacherUrl() {
     if (coreExports.getInput('source-revision')) {
         return `${urlPrefix}/rev/${coreExports.getInput('source-revision')}/${binarySuffix}`;
     }
-    return `${urlPrefix}/latest/${binarySuffix}`;
+    return `${urlPrefix}/stable/${binarySuffix}`;
 }
 async function fetchAutoCacher() {
     const binary_url = getCacherUrl();
diff --git a/src/index.ts b/src/index.ts
index 18890fe..a34ff22 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -54,7 +54,7 @@ function getCacherUrl() : string {
     return `${urlPrefix}/rev/${core.getInput('source-revision')}/${binarySuffix}`;
   }
 
-  return `${urlPrefix}/latest/${binarySuffix}`;
+  return `${urlPrefix}/stable/${binarySuffix}`;
 }
 
 async function fetchAutoCacher() {